325856557344 has 96 divisors (see below), whose sum is σ = 864844041600. Its totient is φ = 107417935872.

The previous prime is 325856557333. The next prime is 325856557373. The reversal of 325856557344 is 443755658523.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13014982 + ... + 13039994.

It is an arithmetic number, because the mean of its divisors is an integer number (9008792100).

Almost surely, 2^325856557344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 325856557344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (432422020800).

325856557344 is an abundant number, since it is smaller than the sum of its proper divisors (538987484256).

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

325856557344 is a wasteful number, since it uses less digits than its factorization.

325856557344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26522 (or 26514 counting only the distinct ones).

The product of its digits is 60480000, while the sum is 57.

The spelling of 325856557344 in words is "three hundred twenty-five billion, eight hundred fifty-six million, five hundred fifty-seven thousand, three hundred forty-four".