404697000964 has 27 divisors (see below), whose sum is σ = 747500953941. Its totient is φ = 191687128560.

The previous prime is 404697000943. The next prime is 404697001013. The reversal of 404697000964 is 469000796404.

It is a happy number.

The square root of 404697000964 is 636158.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 395085159364 + 9611841600 = 628558^2 + 98040^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 24165634 + ... + 24182374.

Almost surely, 2^404697000964 is an apocalyptic number.

404697000964 is the 636158-th square number.

It is an amenable number.

404697000964 is a deficient number, since it is larger than the sum of its proper divisors (342803952977).

404697000964 is an frugal number, since it uses more digits than its factorization.

404697000964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33524 (or 16762 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 49.

Multiplying 404697000964 by its sum of digits (49), we get a square (19830153047236 = 4453106²).

The spelling of 404697000964 in words is "four hundred four billion, six hundred ninety-seven million, nine hundred sixty-four", and thus it is an aban number.