265765056 has 28 divisors (see below), whose sum is σ = 703170552. Its totient is φ = 88588288.

The previous prime is 265765009. The next prime is 265765057. The reversal of 265765056 is 650567562.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 265764999 and 265765017.

It is not an unprimeable number, because it can be changed into a prime (265765057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 691905 + ... + 692288.

It is an arithmetic number, because the mean of its divisors is an integer number (25113234).

Almost surely, 2^265765056 is an apocalyptic number.

It is an amenable number.

265765056 is an abundant number, since it is smaller than the sum of its proper divisors (437405496).

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

265765056 is a wasteful number, since it uses less digits than its factorization.

265765056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1384208 (or 1384198 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 42.

The square root of 265765056 is about 16302.3021687122. The cubic root of 265765056 is about 642.9333577081.

The spelling of 265765056 in words is "two hundred sixty-five million, seven hundred sixty-five thousand, fifty-six".