400728 ÷ 1 
We want to figure out the number of times 400728 can be divided by 1.

Let's proceed to step 1:
1 can be fit into 4 4 times, resulting in a remainder of 0.
Put 4 as the next digit of the answer. 
Result so far: 4.0
Deduct 4 from 4 and we're left with 0.
Include the next digit (0) from the dividend after 0, then repeat: 0 / 1

Going ahead to step 2:
1 can be fit into 0 0 times, resulting in a remainder of 0.
Use 0 as the next digit of our solution. 
Result so far: 40.0
The remainder is 0 after subtracting 0 from 0.
Take the next digit (0) from the dividend and append it to 0, then repeat: 0 / 1

Step 3:
The number 1 fits into 0 0 times, leaving a remainder of 0.
The number 0 becomes the next digit in our result. 
Result so far: 400.0
Deduct 0 from 0 and we're left with 0.
Include the next digit (7) from the dividend after 0, then repeat: 7 / 1

Advancing to step 4:
1 can be fit into 7 7 times, resulting in a remainder of 0.
Put 7 as the next digit of the answer. 
Result so far: 4007.0
Deduct 7 from 7 and we're left with 0.
Fetch the next digit (2) from the dividend, attach it to 0 and continue: 2 / 1

Let's proceed to step 5:
When dividing 2 by 1, we get 2 with a remainder of 0.
Put 2 as the next digit of the answer. 
Result so far: 40072.0
The remainder is 0 after subtracting 2 from 2.
Take the next digit (8) from the dividend and append it to 0, then repeat: 8 / 1

Advancing to step 6:
8 divided by 1 is 8 with a remainder of 0.
Put 8 as the next digit of the answer. 
Result so far: 400728.0
If we take 8 away from 8, we end up with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Step 7:
0 divided by 1 is 0 with a remainder of 0.
The next digit of our result is 0. 
Result so far: 400728.0
If we subtract 0 from 0, we get 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Going ahead to step 8:
If we divide 0 by 1, we get 0 and a remainder of 0.
Record the quotient 0 as the next digit in the result. 
Result so far: 400728.0
Subtract 0 from 0 to get 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Our division results in 400728.0 with a remaining 0.0.