408992565992 has 16 divisors (see below), whose sum is σ = 766938897600. Its totient is φ = 204475526640.

The previous prime is 408992565967. The next prime is 408992565997. The reversal of 408992565992 is 299565299804.

It is not an unprimeable number, because it can be changed into a prime (408992565997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2510642 + ... + 2668577.

It is an arithmetic number, because the mean of its divisors is an integer number (47933681100).

Almost surely, 2^408992565992 is an apocalyptic number.

It is an amenable number.

408992565992 is a deficient number, since it is larger than the sum of its proper divisors (357946331608).

408992565992 is a wasteful number, since it uses less digits than its factorization.

408992565992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5189096 (or 5189092 counting only the distinct ones).

The product of its (nonzero) digits is 125971200, while the sum is 68.

The spelling of 408992565992 in words is "four hundred eight billion, nine hundred ninety-two million, five hundred sixty-five thousand, nine hundred ninety-two".