264668458 has 4 divisors (see below), whose sum is σ = 397002690. Its totient is φ = 132334228.

The previous prime is 264668449. The next prime is 264668497. The reversal of 264668458 is 854866462.

264668458 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 854866462 = 2 ⋅427433231.

It can be written as a sum of positive squares in only one way, i.e., 251000649 + 13667809 = 15843^2 + 3697^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66167113 + ... + 66167116.

Almost surely, 2^264668458 is an apocalyptic number.

264668458 is a deficient number, since it is larger than the sum of its proper divisors (132334232).

264668458 is a wasteful number, since it uses less digits than its factorization.

264668458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132334231.

The product of its digits is 2211840, while the sum is 49.

The square root of 264668458 is about 16268.6341774594. The cubic root of 264668458 is about 642.0478495535.

The spelling of 264668458 in words is "two hundred sixty-four million, six hundred sixty-eight thousand, four hundred fifty-eight".