256124338 has 8 divisors (see below), whose sum is σ = 392360832. Its totient is φ = 125337396.

The previous prime is 256124311. The next prime is 256124353. The reversal of 256124338 is 833421652.

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1362270 + ... + 1362457.

It is an arithmetic number, because the mean of its divisors is an integer number (49045104).

Almost surely, 2^256124338 is an apocalyptic number.

256124338 is a deficient number, since it is larger than the sum of its proper divisors (136236494).

256124338 is a wasteful number, since it uses less digits than its factorization.

256124338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2724776.

The product of its digits is 34560, while the sum is 34.

The square root of 256124338 is about 16003.8850908147. The cubic root of 256124338 is about 635.0632032488.

The spelling of 256124338 in words is "two hundred fifty-six million, one hundred twenty-four thousand, three hundred thirty-eight".