Alright, let's work through 42099586 times 52165042 step by step
42099586 × 52165042 = 52165042 × (42099586)
+ 52165042 × 6 that equals 312990252
+ 52165042 × 80 producing 4173203360
+ 52165042 × 500 that equals 26082521000
+ 52165042 × 9000 that equals 469485378000
+ 52165042 × 90000 yielding 4694853780000
+ 52165042 × 000000 yielding 0
+ 52165042 × 2000000 that results in 104330084000000
+ 52165042 × 40000000 producing 2086601680000000

= 2196126671872612
