256072844 has 6 divisors (see below), whose sum is σ = 448127484. Its totient is φ = 128036420.

The previous prime is 256072841. The next prime is 256072877. The reversal of 256072844 is 448270652.

256072844 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 256072798 and 256072807.

It is not an unprimeable number, because it can be changed into a prime (256072841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32009102 + ... + 32009109.

It is an arithmetic number, because the mean of its divisors is an integer number (74687914).

Almost surely, 2^256072844 is an apocalyptic number.

It is an amenable number.

256072844 is a deficient number, since it is larger than the sum of its proper divisors (192054640).

256072844 is a wasteful number, since it uses less digits than its factorization.

256072844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64018215 (or 64018213 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 38.

The square root of 256072844 is about 16002.2762130892. The cubic root of 256072844 is about 635.0206404104.

The spelling of 256072844 in words is "two hundred fifty-six million, seventy-two thousand, eight hundred forty-four".