325605457320 has 512 divisors, whose sum is σ = 1179284520960. Its totient is φ = 70861824000.

The previous prime is 325605457283. The next prime is 325605457321. The reversal of 325605457320 is 23754506523.

It is not an unprimeable number, because it can be changed into a prime (325605457321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 328562025 + ... + 328563015.

It is an arithmetic number, because the mean of its divisors is an integer number (2303290080).

Almost surely, 2^325605457320 is an apocalyptic number.

325605457320 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 325605457320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (589642260480).

325605457320 is an abundant number, since it is smaller than the sum of its proper divisors (853679063640).

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

325605457320 is a wasteful number, since it uses less digits than its factorization.

325605457320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1537 (or 1533 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 42.

The spelling of 325605457320 in words is "three hundred twenty-five billion, six hundred five million, four hundred fifty-seven thousand, three hundred twenty".