328025028280 has 32 divisors (see below), whose sum is σ = 750155603040. Its totient is φ = 129059026560.

The previous prime is 328025028271. The next prime is 328025028307. The reversal of 328025028280 is 82820520823.

It is a Harshad number since it is a multiple of its sum of digits (40).

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, 67215804 + ... + 67220683.

It is an arithmetic number, because the mean of its divisors is an integer number (23442362595).

Almost surely, 2^328025028280 is an apocalyptic number.

It is an amenable number.

328025028280 is an abundant number, since it is smaller than the sum of its proper divisors (422130574760).

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

328025028280 is a wasteful number, since it uses less digits than its factorization.

328025028280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134436559 (or 134436555 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 40.

The spelling of 328025028280 in words is "three hundred twenty-eight billion, twenty-five million, twenty-eight thousand, two hundred eighty".