325444402540 has 24 divisors (see below), whose sum is σ = 694637071632. Its totient is φ = 128043698880.

The previous prime is 325444402519. The next prime is 325444402567. The reversal of 325444402540 is 45204444523.

It is a self number, because there is not a number n which added to its sum of digits gives 325444402540.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133377634 + ... + 133380073.

It is an arithmetic number, because the mean of its divisors is an integer number (28943211318).

Almost surely, 2^325444402540 is an apocalyptic number.

It is an amenable number.

325444402540 is an abundant number, since it is smaller than the sum of its proper divisors (369192669092).

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

325444402540 is a wasteful number, since it uses less digits than its factorization.

325444402540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266757777 (or 266757775 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 37.

The spelling of 325444402540 in words is "three hundred twenty-five billion, four hundred forty-four million, four hundred two thousand, five hundred forty".