325016620440 has 64 divisors (see below), whose sum is σ = 975588917760. Its totient is φ = 86623182720.

The previous prime is 325016620429. The next prime is 325016620477. The reversal of 325016620440 is 44026610523.

It is a congruent number.

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, 530464 + ... + 965103.

It is an arithmetic number, because the mean of its divisors is an integer number (15243576840).

Almost surely, 2^325016620440 is an apocalyptic number.

325016620440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

325016620440 is an abundant number, since it is smaller than the sum of its proper divisors (650572297320).

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

325016620440 is a wasteful number, since it uses less digits than its factorization.

325016620440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1497392 (or 1497388 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The spelling of 325016620440 in words is "three hundred twenty-five billion, sixteen million, six hundred twenty thousand, four hundred forty".