264493268 has 12 divisors (see below), whose sum is σ = 498468180. Its totient is φ = 122073792.

The previous prime is 264493237. The next prime is 264493291. The reversal of 264493268 is 862394462.

It can be written as a sum of positive squares in 2 ways, for example, as 65739664 + 198753604 = 8108^2 + 14098^2 .

It is a congruent number.

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, 2543153 + ... + 2543256.

It is an arithmetic number, because the mean of its divisors is an integer number (41539015).

Almost surely, 2^264493268 is an apocalyptic number.

It is an amenable number.

264493268 is a deficient number, since it is larger than the sum of its proper divisors (233974912).

264493268 is a wasteful number, since it uses less digits than its factorization.

264493268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5086426 (or 5086424 counting only the distinct ones).

The product of its digits is 497664, while the sum is 44.

The square root of 264493268 is about 16263.2489988932. The cubic root of 264493268 is about 641.9061563190.

The spelling of 264493268 in words is "two hundred sixty-four million, four hundred ninety-three thousand, two hundred sixty-eight".