326553985888 has 48 divisors (see below), whose sum is σ = 716231663280. Its totient is φ = 145520073216.

The previous prime is 326553985867. The next prime is 326553985913. The reversal of 326553985888 is 888589355623.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13522170 + ... + 13546297.

It is an arithmetic number, because the mean of its divisors is an integer number (14921492985).

Almost surely, 2^326553985888 is an apocalyptic number.

It is an amenable number.

326553985888 is an abundant number, since it is smaller than the sum of its proper divisors (389677677392).

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

326553985888 is a wasteful number, since it uses less digits than its factorization.

326553985888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27068519 (or 27068511 counting only the distinct ones).

The product of its digits is 497664000, while the sum is 70.

The spelling of 326553985888 in words is "three hundred twenty-six billion, five hundred fifty-three million, nine hundred eighty-five thousand, eight hundred eighty-eight".