Alright, let's work through 41518820 times 39138004 step by step
41518820 × 39138004 = 39138004 × (41518820)
+ 39138004 × 0 yielding 0
+ 39138004 × 20 which equals 782760080
+ 39138004 × 800 yielding 31310403200
+ 39138004 × 8000 producing 313104032000
+ 39138004 × 10000 which equals 391380040000
+ 39138004 × 500000 producing 19569002000000
+ 39138004 × 1000000 that results in 39138004000000
+ 39138004 × 40000000 that is equal 1565520160000000

= 1624963743235280
