Alright, let's work through 25724942 times 54835051 step by step
25724942 × 54835051 = 54835051 × (25724942)
+ 54835051 × 2 which equals 109670102
+ 54835051 × 40 resulting in 2193402040
+ 54835051 × 900 that equals 49351545900
+ 54835051 × 4000 giving us 219340204000
+ 54835051 × 20000 yielding 1096701020000
+ 54835051 × 700000 which equals 38384535700000
+ 54835051 × 5000000 that is equal 274175255000000
+ 54835051 × 20000000 resulting in 1096701020000000

= 1410628506542042
