260044560 has 80 divisors (see below), whose sum is σ = 895716480. Its totient is φ = 69344640.

The previous prime is 260044559. The next prime is 260044567. The reversal of 260044560 is 65440062.

It is a happy number.

260044560 is a `hidden beast` number, since 2 + 60 + 0 + 44 + 560 = 666.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (260044567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58036 + ... + 62355.

It is an arithmetic number, because the mean of its divisors is an integer number (11196456).

Almost surely, 2^260044560 is an apocalyptic number.

260044560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

260044560 is an abundant number, since it is smaller than the sum of its proper divisors (635671920).

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

260044560 is a wasteful number, since it uses less digits than its factorization.

260044560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120413 (or 120401 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 260044560 is about 16125.8971843430. The cubic root of 260044560 is about 638.2868899047.

The spelling of 260044560 in words is "two hundred sixty million, forty-four thousand, five hundred sixty".