256022044 has 12 divisors (see below), whose sum is σ = 448480368. Its totient is φ = 127884800.

The previous prime is 256022033. The next prime is 256022069. The reversal of 256022044 is 440220652.

It is a congruent number.

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, 26917 + ... + 35164.

It is an arithmetic number, because the mean of its divisors is an integer number (37373364).

Almost surely, 2^256022044 is an apocalyptic number.

It is an amenable number.

256022044 is a deficient number, since it is larger than the sum of its proper divisors (192458324).

256022044 is a wasteful number, since it uses less digits than its factorization.

256022044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63116 (or 63114 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 256022044 is about 16000.6888601710. The cubic root of 256022044 is about 634.9786456125.

Adding to 256022044 its reverse (440220652), we get a palindrome (696242696).

The spelling of 256022044 in words is "two hundred fifty-six million, twenty-two thousand, forty-four".