328890971032 has 16 divisors (see below), whose sum is σ = 664106768640. Its totient is φ = 151795832736.

The previous prime is 328890971029. The next prime is 328890971069. The reversal of 328890971032 is 230179098823.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1581206488 + ... + 1581206695.

It is an arithmetic number, because the mean of its divisors is an integer number (41506673040).

Almost surely, 2^328890971032 is an apocalyptic number.

It is an amenable number.

328890971032 is an abundant number, since it is smaller than the sum of its proper divisors (335215797608).

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

328890971032 is a wasteful number, since it uses less digits than its factorization.

328890971032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3162413202 (or 3162413198 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 52.

The spelling of 328890971032 in words is "three hundred twenty-eight billion, eight hundred ninety million, nine hundred seventy-one thousand, thirty-two".