Alright, let's work through 42550821 times 49953789 step by step
42550821 × 49953789 = 49953789 × (42550821)
+ 49953789 × 1 that equals 49953789
+ 49953789 × 20 that equals 999075780
+ 49953789 × 800 that equals 39963031200
+ 49953789 × 0000 producing 0
+ 49953789 × 50000 yielding 2497689450000
+ 49953789 × 500000 giving us 24976894500000
+ 49953789 × 2000000 that equals 99907578000000
+ 49953789 × 40000000 that equals 1998151560000000

= 2125574734010769
