256969464468 has 24 divisors (see below), whose sum is σ = 609758052960. Its totient is φ = 84204683040.

The previous prime is 256969464463. The next prime is 256969464469. The reversal of 256969464468 is 864464969652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256969464463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181474903 + ... + 181476318.

It is an arithmetic number, because the mean of its divisors is an integer number (25406585540).

Almost surely, 2^256969464468 is an apocalyptic number.

It is an amenable number.

256969464468 is an abundant number, since it is smaller than the sum of its proper divisors (352788588492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

256969464468 is a wasteful number, since it uses less digits than its factorization.

256969464468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362951287 (or 362951285 counting only the distinct ones).

The product of its digits is 537477120, while the sum is 69.

The spelling of 256969464468 in words is "two hundred fifty-six billion, nine hundred sixty-nine million, four hundred sixty-four thousand, four hundred sixty-eight".