Alright, let's work through 42600347 times 11799454 step by step
42600347 × 11799454 = 11799454 × (42600347)
+ 11799454 × 7 that results in 82596178
+ 11799454 × 40 producing 471978160
+ 11799454 × 300 what gives us 3539836200
+ 11799454 × 0000 what gives us 0
+ 11799454 × 00000 what gives us 0
+ 11799454 × 600000 that is equal 7079672400000
+ 11799454 × 2000000 what gives us 23598908000000
+ 11799454 × 40000000 that is equal 471978160000000

= 502660834810538
