Alright, let's work through 45185429 times 39897758 step by step
45185429 × 39897758 = 39897758 × (45185429)
+ 39897758 × 9 which equals 359079822
+ 39897758 × 20 producing 797955160
+ 39897758 × 400 which equals 15959103200
+ 39897758 × 5000 what gives us 199488790000
+ 39897758 × 80000 what gives us 3191820640000
+ 39897758 × 100000 producing 3989775800000
+ 39897758 × 5000000 yielding 199488790000000
+ 39897758 × 40000000 that results in 1595910320000000

= 1802797311368182
