256041356 has 24 divisors (see below), whose sum is σ = 457002000. Its totient is φ = 125482304.

The previous prime is 256041353. The next prime is 256041367. The reversal of 256041356 is 653140652.

It is not an unprimeable number, because it can be changed into a prime (256041353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90410 + ... + 93198.

It is an arithmetic number, because the mean of its divisors is an integer number (19041750).

Almost surely, 2^256041356 is an apocalyptic number.

It is an amenable number.

256041356 is a deficient number, since it is larger than the sum of its proper divisors (200960644).

256041356 is a wasteful number, since it uses less digits than its factorization.

256041356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3241 (or 3239 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 256041356 is about 16001.2923228094. The cubic root of 256041356 is about 634.9946109035.

The spelling of 256041356 in words is "two hundred fifty-six million, forty-one thousand, three hundred fifty-six".