256264452 has 24 divisors (see below), whose sum is σ = 664389600. Its totient is φ = 85421448.

The previous prime is 256264441. The next prime is 256264453. The reversal of 256264452 is 254462652.

256264452 is a `hidden beast` number, since 2 + 5 + 6 + 2 + 644 + 5 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (256264453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1186302 + ... + 1186517.

It is an arithmetic number, because the mean of its divisors is an integer number (27682900).

Almost surely, 2^256264452 is an apocalyptic number.

It is an amenable number.

256264452 is an abundant number, since it is smaller than the sum of its proper divisors (408125148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

256264452 is a wasteful number, since it uses less digits than its factorization.

256264452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2372832 (or 2372824 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

The square root of 256264452 is about 16008.2619918591. The cubic root of 256264452 is about 635.1789868891.

The spelling of 256264452 in words is "two hundred fifty-six million, two hundred sixty-four thousand, four hundred fifty-two".