265234320 has 240 divisors, whose sum is σ = 983062080. Its totient is φ = 63673344.

The previous prime is 265234309. The next prime is 265234337. The reversal of 265234320 is 23432562.

265234320 is a `hidden beast` number, since 2 + 652 + 3 + 4 + 3 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 402151 + ... + 402809.

It is an arithmetic number, because the mean of its divisors is an integer number (4096092).

Almost surely, 2^265234320 is an apocalyptic number.

265234320 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 265234320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (491531040).

265234320 is an abundant number, since it is smaller than the sum of its proper divisors (717827760).

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

265234320 is a wasteful number, since it uses less digits than its factorization.

265234320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734 (or 725 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 265234320 is about 16286.0160874291. The cubic root of 265234320 is about 642.5050906247.

Adding to 265234320 its reverse (23432562), we get a palindrome (288666882).

The spelling of 265234320 in words is "two hundred sixty-five million, two hundred thirty-four thousand, three hundred twenty".