326403986896 has 40 divisors (see below), whose sum is σ = 681129953504. Its totient is φ = 150631297920.

The previous prime is 326403986869. The next prime is 326403986927. The reversal of 326403986896 is 698689304623.

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, 1903591 + ... + 2067961.

Almost surely, 2^326403986896 is an apocalyptic number.

It is an amenable number.

326403986896 is an abundant number, since it is smaller than the sum of its proper divisors (354725966608).

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

326403986896 is a wasteful number, since it uses less digits than its factorization.

326403986896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173939 (or 173933 counting only the distinct ones).

The product of its (nonzero) digits is 80621568, while the sum is 64.

The spelling of 326403986896 in words is "three hundred twenty-six billion, four hundred three million, nine hundred eighty-six thousand, eight hundred ninety-six".