Alright, let's work through 42515872 times 10161694 step by step
42515872 × 10161694 = 10161694 × (42515872)
+ 10161694 × 2 yielding 20323388
+ 10161694 × 70 yielding 711318580
+ 10161694 × 800 that equals 8129355200
+ 10161694 × 5000 resulting in 50808470000
+ 10161694 × 10000 that is equal 101616940000
+ 10161694 × 500000 which equals 5080847000000
+ 10161694 × 2000000 that equals 20323388000000
+ 10161694 × 40000000 resulting in 406467760000000

= 432033281407168
