256281632814 has 16 divisors (see below), whose sum is σ = 512602738128. Its totient is φ = 85420632192.

The previous prime is 256281632797. The next prime is 256281632819. The reversal of 256281632814 is 418236182652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256281632819) 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, 1559947 + ... + 1716390.

It is an arithmetic number, because the mean of its divisors is an integer number (32037671133).

Almost surely, 2^256281632814 is an apocalyptic number.

256281632814 is an abundant number, since it is smaller than the sum of its proper divisors (256321105314).

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

256281632814 is a wasteful number, since it uses less digits than its factorization.

256281632814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3289379.

The product of its digits is 1105920, while the sum is 48.

The spelling of 256281632814 in words is "two hundred fifty-six billion, two hundred eighty-one million, six hundred thirty-two thousand, eight hundred fourteen".