40163444634264 has 32 divisors (see below), whose sum is σ = 114752698955520. Its totient is φ = 11475269895456.

The previous prime is 40163444634251. The next prime is 40163444634283. The reversal of 40163444634264 is 46243644436104.

It is a super-2 number, since 2×40163444634264² (a number of 28 digits) contains 22 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, 119534061244 + ... + 119534061579.

It is an arithmetic number, because the mean of its divisors is an integer number (3586021842360).

Almost surely, 2^{40163444634264} is an apocalyptic number.

It is an amenable number.

40163444634264 is an abundant number, since it is smaller than the sum of its proper divisors (74589254321256).

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

40163444634264 is a wasteful number, since it uses less digits than its factorization.

40163444634264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239068122839 (or 239068122835 counting only the distinct ones).

The product of its (nonzero) digits is 15925248, while the sum is 51.

The spelling of 40163444634264 in words is "forty trillion, one hundred sixty-three billion, four hundred forty-four million, six hundred thirty-four thousand, two hundred sixty-four".