260687256 has 16 divisors (see below), whose sum is σ = 651718200. Its totient is φ = 86895744.

The previous prime is 260687213. The next prime is 260687257. The reversal of 260687256 is 652786062.

260687256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260687257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5430961 + ... + 5431008.

Almost surely, 2^260687256 is an apocalyptic number.

It is an amenable number.

260687256 is an abundant number, since it is smaller than the sum of its proper divisors (391030944).

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

260687256 is a wasteful number, since it uses less digits than its factorization.

260687256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10861978 (or 10861974 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 260687256 is about 16145.8123363304. The cubic root of 260687256 is about 638.8122959349.

The spelling of 260687256 in words is "two hundred sixty million, six hundred eighty-seven thousand, two hundred fifty-six".