328401295528 has 16 divisors (see below), whose sum is σ = 648160452000. Its totient is φ = 155558508336.

The previous prime is 328401295513. The next prime is 328401295561. The reversal of 328401295528 is 825592104823.

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, 1080267268 + ... + 1080267571.

It is an arithmetic number, because the mean of its divisors is an integer number (40510028250).

Almost surely, 2^328401295528 is an apocalyptic number.

328401295528 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

328401295528 is a deficient number, since it is larger than the sum of its proper divisors (319759156472).

328401295528 is a wasteful number, since it uses less digits than its factorization.

328401295528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2160534864 (or 2160534860 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 49.

The spelling of 328401295528 in words is "three hundred twenty-eight billion, four hundred one million, two hundred ninety-five thousand, five hundred twenty-eight".