264564436 has 12 divisors (see below), whose sum is σ = 487355680. Its totient is φ = 125319960.

The previous prime is 264564427. The next prime is 264564439. The reversal of 264564436 is 634465462.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264564439) 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 3 ways as a sum of consecutive naturals, for example, 1740480 + ... + 1740631.

Almost surely, 2^264564436 is an apocalyptic number.

It is an amenable number.

264564436 is a deficient number, since it is larger than the sum of its proper divisors (222791244).

264564436 is a wasteful number, since it uses less digits than its factorization.

264564436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3481134 (or 3481132 counting only the distinct ones).

The product of its digits is 414720, while the sum is 40.

The square root of 264564436 is about 16265.4368524181. The cubic root of 264564436 is about 641.9637243634.

It can be divided in two parts, 2645 and 64436, that added together give a square (67081 = 259²).

The spelling of 264564436 in words is "two hundred sixty-four million, five hundred sixty-four thousand, four hundred thirty-six".