256924144 has 10 divisors (see below), whose sum is σ = 497790560. Its totient is φ = 128462064.

The previous prime is 256924141. The next prime is 256924159. The reversal of 256924144 is 441429652.

256924144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256924141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8028864 + ... + 8028895.

It is an arithmetic number, because the mean of its divisors is an integer number (49779056).

Almost surely, 2^256924144 is an apocalyptic number.

It is an amenable number.

256924144 is a deficient number, since it is larger than the sum of its proper divisors (240866416).

256924144 is a wasteful number, since it uses less digits than its factorization.

256924144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16057767 (or 16057761 counting only the distinct ones).

The product of its digits is 69120, while the sum is 37.

The square root of 256924144 is about 16028.8534836401. The cubic root of 256924144 is about 635.7235590402.

The spelling of 256924144 in words is "two hundred fifty-six million, nine hundred twenty-four thousand, one hundred forty-four".