265022720 has 72 divisors (see below), whose sum is σ = 655388160. Its totient is φ = 102574080.

The previous prime is 265022701. The next prime is 265022731. The reversal of 265022720 is 27220562.

265022720 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 265022720.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36341 + ... + 43019.

Almost surely, 2^265022720 is an apocalyptic number.

265022720 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 265022720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (327694080).

265022720 is an abundant number, since it is smaller than the sum of its proper divisors (390365440).

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

265022720 is an equidigital number, since it uses as much as digits as its factorization.

265022720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6731 (or 6717 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 265022720 is about 16279.5184203956. The cubic root of 265022720 is about 642.3341848293.

The spelling of 265022720 in words is "two hundred sixty-five million, twenty-two thousand, seven hundred twenty".