325445521374 has 96 divisors (see below), whose sum is σ = 745344512640. Its totient is φ = 102509758656.

The previous prime is 325445521361. The next prime is 325445521399. The reversal of 325445521374 is 473125544523.

325445521374 is a `hidden beast` number, since 3 + 2 + 54 + 4 + 5 + 521 + 3 + 74 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3211509 + ... + 3311295.

It is an arithmetic number, because the mean of its divisors is an integer number (7764005340).

Almost surely, 2^325445521374 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 325445521374, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (372672256320).

325445521374 is an abundant number, since it is smaller than the sum of its proper divisors (419898991266).

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

325445521374 is a wasteful number, since it uses less digits than its factorization.

325445521374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99974 (or 99971 counting only the distinct ones).

The product of its digits is 2016000, while the sum is 45.

The spelling of 325445521374 in words is "three hundred twenty-five billion, four hundred forty-five million, five hundred twenty-one thousand, three hundred seventy-four".