260321456 has 20 divisors (see below), whose sum is σ = 505715400. Its totient is φ = 129814272.

The previous prime is 260321447. The next prime is 260321471. The reversal of 260321456 is 654123062.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15401 + ... + 27528.

It is an arithmetic number, because the mean of its divisors is an integer number (25285770).

Almost surely, 2^260321456 is an apocalyptic number.

It is an amenable number.

260321456 is a deficient number, since it is larger than the sum of its proper divisors (245393944).

260321456 is a wasteful number, since it uses less digits than its factorization.

260321456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43316 (or 43310 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 260321456 is about 16134.4803449011. The cubic root of 260321456 is about 638.5133592875.

The spelling of 260321456 in words is "two hundred sixty million, three hundred twenty-one thousand, four hundred fifty-six".