325881720960 has 256 divisors, whose sum is σ = 1068594595200. Its totient is φ = 84412661760.

The previous prime is 325881720953. The next prime is 325881721003. The reversal of 325881720960 is 69027188523.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46811880 + ... + 46818840.

Almost surely, 2^325881720960 is an apocalyptic number.

325881720960 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 325881720960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (534297297600).

325881720960 is an abundant number, since it is smaller than the sum of its proper divisors (742712874240).

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

325881720960 is a wasteful number, since it uses less digits than its factorization.

325881720960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7679 (or 7667 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 51.

The spelling of 325881720960 in words is "three hundred twenty-five billion, eight hundred eighty-one million, seven hundred twenty thousand, nine hundred sixty".