325178581028 has 36 divisors (see below), whose sum is σ = 666733117680. Its totient is φ = 138359631312.

The previous prime is 325178580977. The next prime is 325178581061. The reversal of 325178581028 is 820185871523.

It is a happy number.

It is a super-2 number, since 2×325178581028² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5940650 + ... + 5995137.

It is an arithmetic number, because the mean of its divisors is an integer number (18520364380).

Almost surely, 2^325178581028 is an apocalyptic number.

It is an amenable number.

325178581028 is an abundant number, since it is smaller than the sum of its proper divisors (341554536652).

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

325178581028 is a wasteful number, since it uses less digits than its factorization.

325178581028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11935944 (or 11935935 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 50.

The spelling of 325178581028 in words is "three hundred twenty-five billion, one hundred seventy-eight million, five hundred eighty-one thousand, twenty-eight".