264452644 has 27 divisors (see below), whose sum is σ = 475597297. Its totient is φ = 128664944.

The previous prime is 264452641. The next prime is 264452681. The reversal of 264452644 is 446254462.

The square root of 264452644 is 16262.

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

264452644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 240560100 + 23892544 = 15510^2 + 4888^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (264452641) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1528542 + ... + 1528714.

Almost surely, 2^264452644 is an apocalyptic number.

264452644 is the 16262-nd square number.

It is an amenable number.

264452644 is a deficient number, since it is larger than the sum of its proper divisors (211144653).

264452644 is an equidigital number, since it uses as much as digits as its factorization.

264452644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444 (or 222 counting only the distinct ones).

The product of its digits is 184320, while the sum is 37.

The cubic root of 264452644 is about 641.8732907934.

The spelling of 264452644 in words is "two hundred sixty-four million, four hundred fifty-two thousand, six hundred forty-four".