40351220793912 has 32 divisors (see below), whose sum is σ = 115289202268800. Its totient is φ = 11528920226784.

The previous prime is 40351220793899. The next prime is 40351220793959. The reversal of 40351220793912 is 21939702215304.

It is a super-3 number, since 3×40351220793912³ (a number of 42 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120092918862 + ... + 120092919197.

It is an arithmetic number, because the mean of its divisors is an integer number (3602787570900).

Almost surely, 2^{40351220793912} is an apocalyptic number.

40351220793912 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

40351220793912 is an abundant number, since it is smaller than the sum of its proper divisors (74937981474888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40351220793912 is a wasteful number, since it uses less digits than its factorization.

40351220793912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240185838075 (or 240185838071 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 48.

The spelling of 40351220793912 in words is "forty trillion, three hundred fifty-one billion, two hundred twenty million, seven hundred ninety-three thousand, nine hundred twelve".