264785266 has 4 divisors (see below), whose sum is σ = 397177902. Its totient is φ = 132392632.

The previous prime is 264785249. The next prime is 264785299. The reversal of 264785266 is 662587462.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 242892225 + 21893041 = 15585^2 + 4679^2 .

It is a super-2 number, since 2×264785266² = 140222474181381512, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66196315 + ... + 66196318.

Almost surely, 2^264785266 is an apocalyptic number.

264785266 is a deficient number, since it is larger than the sum of its proper divisors (132392636).

264785266 is a wasteful number, since it uses less digits than its factorization.

264785266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132392635.

The product of its digits is 967680, while the sum is 46.

The square root of 264785266 is about 16272.2237570653. The cubic root of 264785266 is about 642.1422888325.

The spelling of 264785266 in words is "two hundred sixty-four million, seven hundred eighty-five thousand, two hundred sixty-six".