256056826 has 8 divisors (see below), whose sum is σ = 388713024. Its totient is φ = 126485820.

The previous prime is 256056821. The next prime is 256056877. The reversal of 256056826 is 628650652.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (256056821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 771090 + ... + 771421.

It is an arithmetic number, because the mean of its divisors is an integer number (48589128).

Almost surely, 2^256056826 is an apocalyptic number.

256056826 is a deficient number, since it is larger than the sum of its proper divisors (132656198).

256056826 is a wasteful number, since it uses less digits than its factorization.

256056826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1542596.

The product of its (nonzero) digits is 172800, while the sum is 40.

The square root of 256056826 is about 16001.7757139637. The cubic root of 256056826 is about 635.0073994219.

The spelling of 256056826 in words is "two hundred fifty-six million, fifty-six thousand, eight hundred twenty-six".