265051488 has 216 divisors, whose sum is σ = 824277384. Its totient is φ = 74280960.

The previous prime is 265051487. The next prime is 265051499. The reversal of 265051488 is 884150562.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265051487) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8550033 + ... + 8550063.

It is an arithmetic number, because the mean of its divisors is an integer number (3816099).

Almost surely, 2^265051488 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 265051488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (412138692).

265051488 is an abundant number, since it is smaller than the sum of its proper divisors (559225896).

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

265051488 is a wasteful number, since it uses less digits than its factorization.

265051488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118 (or 66 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 39.

The square root of 265051488 is about 16280.4019606397. The cubic root of 265051488 is about 642.3574256056.

The spelling of 265051488 in words is "two hundred sixty-five million, fifty-one thousand, four hundred eighty-eight".