325577257216 has 144 divisors (see below), whose sum is σ = 671375837440. Its totient is φ = 157513973760.

The previous prime is 325577257139. The next prime is 325577257253. The reversal of 325577257216 is 612752775523.

It is a happy number.

Its product of digits (6174000) is a multiple of the sum of its prime factors (1400).

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, 326556430 + ... + 326557426.

Almost surely, 2^325577257216 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 325577257216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (335687918720).

325577257216 is an abundant number, since it is smaller than the sum of its proper divisors (345798580224).

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

325577257216 is an equidigital number, since it uses as much as digits as its factorization.

325577257216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400 (or 1386 counting only the distinct ones).

The product of its digits is 6174000, while the sum is 52.

The spelling of 325577257216 in words is "three hundred twenty-five billion, five hundred seventy-seven million, two hundred fifty-seven thousand, two hundred sixteen".