Alright, let's work through 42588687 times 55747975 step by step
42588687 × 55747975 = 55747975 × (42588687)
+ 55747975 × 7 that is equal 390235825
+ 55747975 × 80 yielding 4459838000
+ 55747975 × 600 that results in 33448785000
+ 55747975 × 8000 that equals 445983800000
+ 55747975 × 80000 yielding 4459838000000
+ 55747975 × 500000 resulting in 27873987500000
+ 55747975 × 2000000 giving us 111495950000000
+ 55747975 × 40000000 that results in 2229919000000000

= 2374233058158825
