259434683256 has 64 divisors (see below), whose sum is σ = 748169498880. Its totient is φ = 73431440640.

The previous prime is 259434683237. The next prime is 259434683267. The reversal of 259434683256 is 652386434952.

It is a super-2 number, since 2×259434683256² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 259434683196 and 259434683205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7198165 + ... + 7234116.

It is an arithmetic number, because the mean of its divisors is an integer number (11690148420).

Almost surely, 2^259434683256 is an apocalyptic number.

It is an amenable number.

259434683256 is an abundant number, since it is smaller than the sum of its proper divisors (488734815624).

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

259434683256 is a wasteful number, since it uses less digits than its factorization.

259434683256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14432404 (or 14432400 counting only the distinct ones).

The product of its digits is 37324800, while the sum is 57.

The spelling of 259434683256 in words is "two hundred fifty-nine billion, four hundred thirty-four million, six hundred eighty-three thousand, two hundred fifty-six".