264523404 has 12 divisors (see below), whose sum is σ = 617221304. Its totient is φ = 88174464.

The previous prime is 264523381. The next prime is 264523421. The reversal of 264523404 is 404325462.

264523404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11021797 + ... + 11021820.

Almost surely, 2^264523404 is an apocalyptic number.

It is an amenable number.

264523404 is an abundant number, since it is smaller than the sum of its proper divisors (352697900).

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

264523404 is a wasteful number, since it uses less digits than its factorization.

264523404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22043624 (or 22043622 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 264523404 is about 16264.1754786402. The cubic root of 264523404 is about 641.9305346954.

Adding to 264523404 its reverse (404325462), we get a palindrome (668848866).

The spelling of 264523404 in words is "two hundred sixty-four million, five hundred twenty-three thousand, four hundred four".