260265564 has 36 divisors (see below), whose sum is σ = 708501976. Its totient is φ = 80081568.

The previous prime is 260265547. The next prime is 260265569. The reversal of 260265564 is 465562062.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260265569) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 277594 + ... + 278529.

Almost surely, 2^260265564 is an apocalyptic number.

It is an amenable number.

260265564 is an abundant number, since it is smaller than the sum of its proper divisors (448236412).

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

260265564 is a wasteful number, since it uses less digits than its factorization.

260265564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556146 (or 556141 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 260265564 is about 16132.7481849808. The cubic root of 260265564 is about 638.4676589399.

The spelling of 260265564 in words is "two hundred sixty million, two hundred sixty-five thousand, five hundred sixty-four".