325520242500 has 60 divisors (see below), whose sum is σ = 949130243600. Its totient is φ = 86805396000.

The previous prime is 325520242493. The next prime is 325520242511. The reversal of 325520242500 is 5242025523.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 21693850 + ... + 21708849.

Almost surely, 2^325520242500 is an apocalyptic number.

325520242500 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

325520242500 is an abundant number, since it is smaller than the sum of its proper divisors (623610001100).

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

325520242500 is a wasteful number, since it uses less digits than its factorization.

325520242500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43402726 (or 43402709 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 30.

The spelling of 325520242500 in words is "three hundred twenty-five billion, five hundred twenty million, two hundred forty-two thousand, five hundred".