331525664404 has 36 divisors (see below), whose sum is σ = 654942795892. Its totient is φ = 146620679040.

The previous prime is 331525664387. The next prime is 331525664417. The reversal of 331525664404 is 404466525133.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 174099231504 + 157426432900 = 417252^2 + 396770^2 .

It is a congruent 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 11 ways as a sum of consecutive naturals, for example, 9238449 + ... + 9274264.

Almost surely, 2^331525664404 is an apocalyptic number.

It is an amenable number.

331525664404 is a deficient number, since it is larger than the sum of its proper divisors (323417131488).

331525664404 is a wasteful number, since it uses less digits than its factorization.

331525664404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18512776 (or 18512763 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 43.

The spelling of 331525664404 in words is "three hundred thirty-one billion, five hundred twenty-five million, six hundred sixty-four thousand, four hundred four".