256338754 has 8 divisors (see below), whose sum is σ = 439437888. Its totient is φ = 109859460.

The previous prime is 256338727. The next prime is 256338757. The reversal of 256338754 is 457833652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 256338754.

It is not an unprimeable number, because it can be changed into a prime (256338757) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9154942 + ... + 9154969.

It is an arithmetic number, because the mean of its divisors is an integer number (54929736).

Almost surely, 2^256338754 is an apocalyptic number.

256338754 is a deficient number, since it is larger than the sum of its proper divisors (183099134).

256338754 is a wasteful number, since it uses less digits than its factorization.

256338754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18309920.

The product of its digits is 604800, while the sum is 43.

The square root of 256338754 is about 16010.5825627926. The cubic root of 256338754 is about 635.2403694546.

The spelling of 256338754 in words is "two hundred fifty-six million, three hundred thirty-eight thousand, seven hundred fifty-four".