256068268 has 24 divisors (see below), whose sum is σ = 470945552. Its totient is φ = 121673664.

The previous prime is 256068259. The next prime is 256068299. The reversal of 256068268 is 862860652.

256068268 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13755 + ... + 26482.

Almost surely, 2^256068268 is an apocalyptic number.

256068268 is the 8554-th centered heptagonal number.

It is an amenable number.

256068268 is a deficient number, since it is larger than the sum of its proper divisors (214877284).

256068268 is a wasteful number, since it uses less digits than its factorization.

256068268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40321 (or 40319 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 43.

The square root of 256068268 is about 16002.1332327912. The cubic root of 256068268 is about 635.0168577995.

The spelling of 256068268 in words is "two hundred fifty-six million, sixty-eight thousand, two hundred sixty-eight".