Alright, let's work through 5039248 times 84138183 step by step
5039248 × 84138183 = 84138183 × (5039248)
+ 84138183 × 8 producing 673105464
+ 84138183 × 40 producing 3365527320
+ 84138183 × 200 producing 16827636600
+ 84138183 × 9000 that is equal 757243647000
+ 84138183 × 30000 which equals 2524145490000
+ 84138183 × 000000 resulting in 0
+ 84138183 × 5000000 that equals 420690915000000

= 423993170406384
