325564197390 has 48 divisors (see below), whose sum is σ = 860343434496. Its totient is φ = 85393886400.

The previous prime is 325564197379. The next prime is 325564197407. The reversal of 325564197390 is 93791465523.

325564197390 is a `hidden beast` number, since 3 + 2 + 5 + 5 + 64 + 197 + 390 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29645166 + ... + 29656145.

It is an arithmetic number, because the mean of its divisors is an integer number (17923821552).

Almost surely, 2^325564197390 is an apocalyptic number.

325564197390 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

325564197390 is an abundant number, since it is smaller than the sum of its proper divisors (534779237106).

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

325564197390 is a wasteful number, since it uses less digits than its factorization.

325564197390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59301385 (or 59301382 counting only the distinct ones).

The product of its (nonzero) digits is 6123600, while the sum is 54.

The spelling of 325564197390 in words is "three hundred twenty-five billion, five hundred sixty-four million, one hundred ninety-seven thousand, three hundred ninety".