325641569408 has 32 divisors (see below), whose sum is σ = 651648264960. Its totient is φ = 162090632448.

The previous prime is 325641569359. The next prime is 325641569413. The reversal of 325641569408 is 804965146523.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 325641569408.

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, 5675660 + ... + 5732747.

It is an arithmetic number, because the mean of its divisors is an integer number (20364008280).

Almost surely, 2^325641569408 is an apocalyptic number.

It is an amenable number.

325641569408 is an abundant number, since it is smaller than the sum of its proper divisors (326006695552).

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

325641569408 is a wasteful number, since it uses less digits than its factorization.

325641569408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11408644 (or 11408632 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 53.

The spelling of 325641569408 in words is "three hundred twenty-five billion, six hundred forty-one million, five hundred sixty-nine thousand, four hundred eight".