265942288 has 40 divisors (see below), whose sum is σ = 548536320. Its totient is φ = 124469760.

The previous prime is 265942279. The next prime is 265942289. The reversal of 265942288 is 882249562.

It is not an unprimeable number, because it can be changed into a prime (265942289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49393 + ... + 54511.

It is an arithmetic number, because the mean of its divisors is an integer number (13713408).

Almost surely, 2^265942288 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 265942288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274268160).

265942288 is an abundant number, since it is smaller than the sum of its proper divisors (282594032).

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

265942288 is a wasteful number, since it uses less digits than its factorization.

265942288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5335 (or 5329 counting only the distinct ones).

The product of its digits is 552960, while the sum is 46.

The square root of 265942288 is about 16307.7370594451. The cubic root of 265942288 is about 643.0762446201.

It can be divided in two parts, 26594 and 2288, that added together give a palindrome (28882).

The spelling of 265942288 in words is "two hundred sixty-five million, nine hundred forty-two thousand, two hundred eighty-eight".