328432507812 has 24 divisors (see below), whose sum is σ = 851491687200. Its totient is φ = 109477502568.

The previous prime is 328432507787. The next prime is 328432507817. The reversal of 328432507812 is 218705234823.

328432507812 is a `hidden beast` number, since 3 + 28 + 43 + 2 + 507 + 81 + 2 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (328432507817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1520520762 + ... + 1520520977.

It is an arithmetic number, because the mean of its divisors is an integer number (35478820300).

Almost surely, 2^328432507812 is an apocalyptic number.

It is an amenable number.

328432507812 is an abundant number, since it is smaller than the sum of its proper divisors (523059179388).

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

328432507812 is a wasteful number, since it uses less digits than its factorization.

328432507812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3041041752 (or 3041041744 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 328432507812 in words is "three hundred twenty-eight billion, four hundred thirty-two million, five hundred seven thousand, eight hundred twelve".