264270465 has 64 divisors (see below), whose sum is σ = 486789120. Its totient is φ = 135924480.

The previous prime is 264270431. The next prime is 264270481. The reversal of 264270465 is 564072462.

264270465 is a `hidden beast` number, since 2 + 642 + 7 + 0 + 4 + 6 + 5 = 666.

It is not a de Polignac number, because 264270465 - 2⁷ = 264270337 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 953907 + ... + 954183.

It is an arithmetic number, because the mean of its divisors is an integer number (7606080).

Almost surely, 2^264270465 is an apocalyptic number.

It is an amenable number.

264270465 is a deficient number, since it is larger than the sum of its proper divisors (222518655).

264270465 is a wasteful number, since it uses less digits than its factorization.

264270465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519 (or 513 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The square root of 264270465 is about 16256.3976636892. The cubic root of 264270465 is about 641.7258633942.

The spelling of 264270465 in words is "two hundred sixty-four million, two hundred seventy thousand, four hundred sixty-five".