256033764 has 48 divisors (see below), whose sum is σ = 758620800. Its totient is φ = 73152288.

The previous prime is 256033763. The next prime is 256033777. The reversal of 256033764 is 467330652.

256033764 is a `hidden beast` number, since 2 + 560 + 3 + 37 + 64 = 666.

256033764 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 (256033763) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168579 + ... + 170090.

It is an arithmetic number, because the mean of its divisors is an integer number (15804600).

Almost surely, 2^256033764 is an apocalyptic number.

It is an amenable number.

256033764 is an abundant number, since it is smaller than the sum of its proper divisors (502587036).

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

256033764 is a wasteful number, since it uses less digits than its factorization.

256033764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338689 (or 338681 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 36.

The square root of 256033764 is about 16001.0550902120. The cubic root of 256033764 is about 634.9883346690.

The spelling of 256033764 in words is "two hundred fifty-six million, thirty-three thousand, seven hundred sixty-four".