Alright, let's work through 52008409 times 4139742 step by step
52008409 × 4139742 = 4139742 × (52008409)
+ 4139742 × 9 giving us 37257678
+ 4139742 × 00 yielding 0
+ 4139742 × 400 that results in 1655896800
+ 4139742 × 8000 that equals 33117936000
+ 4139742 × 00000 yielding 0
+ 4139742 × 000000 resulting in 0
+ 4139742 × 2000000 that results in 8279484000000
+ 4139742 × 50000000 giving us 206987100000000

= 215301395090478
