265760 has 48 divisors (see below), whose sum is σ = 689472. Its totient is φ = 96000.

The previous prime is 265757. The next prime is 265781. The reversal of 265760 is 67562.

It is a plaindrome in base 3 and base 9.

It is a zygodrome in base 3 and base 9.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1685 + ... + 1835.

It is an arithmetic number, because the mean of its divisors is an integer number (14364).

2²⁶⁵⁷⁶⁰ is an apocalyptic number.

265760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 265760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (344736).

265760 is an abundant number, since it is smaller than the sum of its proper divisors (423712).

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

265760 is a wasteful number, since it uses less digits than its factorization.

265760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177 (or 169 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 265760 is about 515.5191558032. The cubic root of 265760 is about 64.2929280559.

The spelling of 265760 in words is "two hundred sixty-five thousand, seven hundred sixty".