40684530368 has 28 divisors (see below), whose sum is σ = 84982491960. Its totient is φ = 19271619072.

The previous prime is 40684530323. The next prime is 40684530401. The reversal of 40684530368 is 86303548604.

40684530368 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40684530368² (a number of 22 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, 16727621 + ... + 16730052.

Almost surely, 2^40684530368 is an apocalyptic number.

It is an amenable number.

40684530368 is an abundant number, since it is smaller than the sum of its proper divisors (44297961592).

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

40684530368 is a wasteful number, since it uses less digits than its factorization.

40684530368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33457704 (or 33457694 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 47.

The spelling of 40684530368 in words is "forty billion, six hundred eighty-four million, five hundred thirty thousand, three hundred sixty-eight".