326553985904 has 10 divisors (see below), whose sum is σ = 632698347720. Its totient is φ = 163276992944.

The previous prime is 326553985867. The next prime is 326553985913. The reversal of 326553985904 is 409589355623.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10204812044 + ... + 10204812075.

It is an arithmetic number, because the mean of its divisors is an integer number (63269834772).

Almost surely, 2^326553985904 is an apocalyptic number.

It is an amenable number.

326553985904 is a deficient number, since it is larger than the sum of its proper divisors (306144361816).

326553985904 is a wasteful number, since it uses less digits than its factorization.

326553985904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20409624127 (or 20409624121 counting only the distinct ones).

The product of its (nonzero) digits is 34992000, while the sum is 59.

The spelling of 326553985904 in words is "three hundred twenty-six billion, five hundred fifty-three million, nine hundred eighty-five thousand, nine hundred four".