265938288 has 240 divisors, whose sum is σ = 919405440. Its totient is φ = 65318400.

The previous prime is 265938271. The next prime is 265938301. The reversal of 265938288 is 882839562.

It is a self number, because there is not a number n which added to its sum of digits gives 265938288.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 491298 + ... + 491838.

It is an arithmetic number, because the mean of its divisors is an integer number (3830856).

Almost surely, 2^265938288 is an apocalyptic number.

265938288 is a gapful number since it is divisible by the number (28) 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 265938288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (459702720).

265938288 is an abundant number, since it is smaller than the sum of its proper divisors (653467152).

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

265938288 is a wasteful number, since it uses less digits than its factorization.

265938288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596 (or 583 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 51.

The square root of 265938288 is about 16307.6144178111. The cubic root of 265938288 is about 643.0730204646.

The spelling of 265938288 in words is "two hundred sixty-five million, nine hundred thirty-eight thousand, two hundred eighty-eight".