265992960 has 144 divisors (see below), whose sum is σ = 858430944. Its totient is φ = 70189056.

The previous prime is 265992949. The next prime is 265993003. The reversal of 265992960 is 69299562.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 433614 + ... + 434226.

It is an arithmetic number, because the mean of its divisors is an integer number (5961326).

Almost surely, 2^265992960 is an apocalyptic number.

265992960 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 265992960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (429215472).

265992960 is an abundant number, since it is smaller than the sum of its proper divisors (592437984).

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

265992960 is a wasteful number, since it uses less digits than its factorization.

265992960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750 (or 736 counting only the distinct ones).

The product of its (nonzero) digits is 524880, while the sum is 48.

The square root of 265992960 is about 16309.2906038246. The cubic root of 265992960 is about 643.1170854235.

The spelling of 265992960 in words is "two hundred sixty-five million, nine hundred ninety-two thousand, nine hundred sixty".