326005904000 has 256 divisors, whose sum is σ = 934556313600. Its totient is φ = 110780006400.

The previous prime is 326005903981. The next prime is 326005904041. The reversal of 326005904000 is 409500623.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12643121 + ... + 12668879.

It is an arithmetic number, because the mean of its divisors is an integer number (3650610600).

Almost surely, 2^326005904000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 326005904000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (467278156800).

326005904000 is an abundant number, since it is smaller than the sum of its proper divisors (608550409600).

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

326005904000 is a wasteful number, since it uses less digits than its factorization.

326005904000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25908 (or 25886 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The spelling of 326005904000 in words is "three hundred twenty-six billion, five million, nine hundred four thousand".