320512235044 has 81 divisors (see below), whose sum is σ = 597359678097. Its totient is φ = 150465893088.

The previous prime is 320512235027. The next prime is 320512235047. The reversal of 320512235044 is 440532215023.

The square root of 320512235044 is 566138.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 168068841444 + 152443393600 = 409962^2 + 390440^2 .

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320512234997 and 320512235015.

It is not an unprimeable number, because it can be changed into a prime (320512235047) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1411948059 + ... + 1411948285.

Almost surely, 2^320512235044 is an apocalyptic number.

320512235044 is the 566138-th square number.

It is an amenable number.

320512235044 is a deficient number, since it is larger than the sum of its proper divisors (276847443053).

320512235044 is an equidigital number, since it uses as much as digits as its factorization.

320512235044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602 (or 301 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

The spelling of 320512235044 in words is "three hundred twenty billion, five hundred twelve million, two hundred thirty-five thousand, forty-four".