Alright, let's work through 46448909 times 13799338 step by step
46448909 × 13799338 = 13799338 × (46448909)
+ 13799338 × 9 that equals 124194042
+ 13799338 × 00 that results in 0
+ 13799338 × 900 producing 12419404200
+ 13799338 × 8000 that equals 110394704000
+ 13799338 × 40000 that is equal 551973520000
+ 13799338 × 400000 which equals 5519735200000
+ 13799338 × 6000000 yielding 82796028000000
+ 13799338 × 40000000 producing 551973520000000

= 640964195022242
