260287776 has 96 divisors (see below), whose sum is σ = 867646080. Its totient is φ = 74366208.

The previous prime is 260287693. The next prime is 260287813. The reversal of 260287776 is 677782062.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15471 + ... + 27566.

It is an arithmetic number, because the mean of its divisors is an integer number (9037980).

Almost surely, 2^260287776 is an apocalyptic number.

It is an amenable number.

260287776 is an abundant number, since it is smaller than the sum of its proper divisors (607358304).

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

260287776 is a wasteful number, since it uses less digits than its factorization.

260287776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43063 (or 43049 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 45.

The square root of 260287776 is about 16133.4365836916. The cubic root of 260287776 is about 638.4858214659.

The spelling of 260287776 in words is "two hundred sixty million, two hundred eighty-seven thousand, seven hundred seventy-six".