325231761920 has 80 divisors (see below), whose sum is σ = 839778203880. Its totient is φ = 120085561344.

The previous prime is 325231761859. The next prime is 325231761923. The reversal of 325231761920 is 29167132523.

It can be written as a sum of positive squares in 4 ways, for example, as 283177236736 + 42054525184 = 532144^2 + 205072^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (325231761923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4853015 + ... + 4919574.

Almost surely, 2^325231761920 is an apocalyptic number.

It is an amenable number.

325231761920 is an abundant number, since it is smaller than the sum of its proper divisors (514546441960).

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

325231761920 is an equidigital number, since it uses as much as digits as its factorization.

325231761920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9772625 (or 9772609 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 41.

The spelling of 325231761920 in words is "three hundred twenty-five billion, two hundred thirty-one million, seven hundred sixty-one thousand, nine hundred twenty".