256067536 has 20 divisors (see below), whose sum is σ = 496843200. Its totient is φ = 127849952.

The previous prime is 256067479. The next prime is 256067543. The reversal of 256067536 is 635760652.

256067536 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×256067536² = 131141165986222592, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 375 + ... + 22633.

It is an arithmetic number, because the mean of its divisors is an integer number (24842160).

Almost surely, 2^256067536 is an apocalyptic number.

It is an amenable number.

256067536 is a deficient number, since it is larger than the sum of its proper divisors (240775664).

256067536 is a wasteful number, since it uses less digits than its factorization.

256067536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22986 (or 22980 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 40.

The square root of 256067536 is about 16002.1103608243. The cubic root of 256067536 is about 635.0162527099.

The spelling of 256067536 in words is "two hundred fifty-six million, sixty-seven thousand, five hundred thirty-six".