264240436 has 12 divisors (see below), whose sum is σ = 468755812. Its totient is φ = 130310208.

The previous prime is 264240433. The next prime is 264240437. The reversal of 264240436 is 634042462.

264240436 is digitally balanced in base 3, 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 2 ways, for example, as 49617936 + 214622500 = 7044^2 + 14650^2 .

It is a junction number, because it is equal to n+sod(n) for n = 264240398 and 264240407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264240433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 452175 + ... + 452758.

Almost surely, 2^264240436 is an apocalyptic number.

It is an amenable number.

264240436 is a deficient number, since it is larger than the sum of its proper divisors (204515376).

264240436 is a wasteful number, since it uses less digits than its factorization.

264240436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905010 (or 905008 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

The square root of 264240436 is about 16255.4740318454. The cubic root of 264240436 is about 641.7015560797.

Adding to 264240436 its reverse (634042462), we get a palindrome (898282898).

The spelling of 264240436 in words is "two hundred sixty-four million, two hundred forty thousand, four hundred thirty-six".