40165713223568 has 20 divisors (see below), whose sum is σ = 77952302221068. Its totient is φ = 20048990069760.

The previous prime is 40165713223513. The next prime is 40165713223579. The reversal of 40165713223568 is 86532231756104.

It can be written as a sum of positive squares in 2 ways, for example, as 26523859617424 + 13641853606144 = 5150132^2 + 3693488^2 .

It is a super-2 number, since 2×40165713223568² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2116649093 + ... + 2116668068.

Almost surely, 2^{40165713223568} is an apocalyptic number.

It is an amenable number.

40165713223568 is a deficient number, since it is larger than the sum of its proper divisors (37786588997500).

40165713223568 is a wasteful number, since it uses less digits than its factorization.

40165713223568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4233317762 (or 4233317756 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 53.

The spelling of 40165713223568 in words is "forty trillion, one hundred sixty-five billion, seven hundred thirteen million, two hundred twenty-three thousand, five hundred sixty-eight".