Alright, let's work through 41839409 times 42184579 step by step
41839409 × 42184579 = 42184579 × (41839409)
+ 42184579 × 9 that is equal 379661211
+ 42184579 × 00 that is equal 0
+ 42184579 × 400 resulting in 16873831600
+ 42184579 × 9000 yielding 379661211000
+ 42184579 × 30000 which equals 1265537370000
+ 42184579 × 800000 yielding 33747663200000
+ 42184579 × 1000000 that equals 42184579000000
+ 42184579 × 40000000 that results in 1687383160000000

= 1764977854273811
