265800960 has 144 divisors (see below), whose sum is σ = 943346880. Its totient is φ = 70871040.

The previous prime is 265800893. The next prime is 265800971. The reversal of 265800960 is 69008562.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-3 number, since 3×265800960³ (a number of 26 digits) contains 333 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30715 + ... + 38405.

It is an arithmetic number, because the mean of its divisors is an integer number (6551020).

Almost surely, 2^265800960 is an apocalyptic number.

265800960 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 265800960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (471673440).

265800960 is an abundant number, since it is smaller than the sum of its proper divisors (677545920).

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

265800960 is an equidigital number, since it uses as much as digits as its factorization.

265800960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7721 (or 7701 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 265800960 is about 16303.4033256863. The cubic root of 265800960 is about 642.9623091439.

The spelling of 265800960 in words is "two hundred sixty-five million, eight hundred thousand, nine hundred sixty".