260855844 has 12 divisors (see below), whose sum is σ = 608663664. Its totient is φ = 86951944.

The previous prime is 260855839. The next prime is 260855851. The reversal of 260855844 is 448558062.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 260855796 and 260855805.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10868982 + ... + 10869005.

It is an arithmetic number, because the mean of its divisors is an integer number (50721972).

Almost surely, 2^260855844 is an apocalyptic number.

It is an amenable number.

260855844 is an abundant number, since it is smaller than the sum of its proper divisors (347807820).

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

260855844 is a wasteful number, since it uses less digits than its factorization.

260855844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21737994 (or 21737992 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 42.

The square root of 260855844 is about 16151.0322889901. The cubic root of 260855844 is about 638.9499741647.

The spelling of 260855844 in words is "two hundred sixty million, eight hundred fifty-five thousand, eight hundred forty-four".