260478056 has 8 divisors (see below), whose sum is σ = 488396370. Its totient is φ = 130239024.

The previous prime is 260478041. The next prime is 260478073. The reversal of 260478056 is 650874062.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 226021156 + 34456900 = 15034^2 + 5870^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 16279871 + ... + 16279886.

Almost surely, 2^260478056 is an apocalyptic number.

It is an amenable number.

260478056 is a deficient number, since it is larger than the sum of its proper divisors (227918314).

260478056 is a wasteful number, since it uses less digits than its factorization.

260478056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32559763 (or 32559759 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 260478056 is about 16139.3325760392. The cubic root of 260478056 is about 638.6413691590.

The spelling of 260478056 in words is "two hundred sixty million, four hundred seventy-eight thousand, fifty-six".