Alright, let's work through 28846428 times 54252569 step by step
28846428 × 54252569 = 54252569 × (28846428)
+ 54252569 × 8 that is equal 434020552
+ 54252569 × 20 that equals 1085051380
+ 54252569 × 400 that results in 21701027600
+ 54252569 × 6000 giving us 325515414000
+ 54252569 × 40000 that equals 2170102760000
+ 54252569 × 800000 that equals 43402055200000
+ 54252569 × 8000000 producing 434020552000000
+ 54252569 × 20000000 that equals 1085051380000000

= 1564992825473532
