260480865 has 32 divisors (see below), whose sum is σ = 435891456. Its totient is φ = 132577280.

The previous prime is 260480837. The next prime is 260480867. The reversal of 260480865 is 568084062.

It is not a de Polignac number, because 260480865 - 2⁸ = 260480609 is a prime.

It is a super-2 number, since 2×260480865² = 135700562062296450, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (260480867) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 295225 + ... + 296105.

It is an arithmetic number, because the mean of its divisors is an integer number (13621608).

Almost surely, 2^260480865 is an apocalyptic number.

It is an amenable number.

260480865 is a deficient number, since it is larger than the sum of its proper divisors (175410591).

260480865 is a wasteful number, since it uses less digits than its factorization.

260480865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1769.

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 260480865 is about 16139.4195992297. The cubic root of 260480865 is about 638.6436648574.

The spelling of 260480865 in words is "two hundred sixty million, four hundred eighty thousand, eight hundred sixty-five".