Alright, let's work through 42451763 times 51870480 step by step
42451763 × 51870480 = 51870480 × (42451763)
+ 51870480 × 3 giving us 155611440
+ 51870480 × 60 that is equal 3112228800
+ 51870480 × 700 giving us 36309336000
+ 51870480 × 1000 which equals 51870480000
+ 51870480 × 50000 which equals 2593524000000
+ 51870480 × 400000 that results in 20748192000000
+ 51870480 × 2000000 yielding 103740960000000
+ 51870480 × 40000000 giving us 2074819200000000

= 2201993323656240
