265440930 has 32 divisors (see below), whose sum is σ = 664758144. Its totient is φ = 67706496.

The previous prime is 265440893. The next prime is 265440943. The reversal of 265440930 is 39044562.

It is a junction number, because it is equal to n+sod(n) for n = 265440891 and 265440900.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191659 + ... + 193038.

It is an arithmetic number, because the mean of its divisors is an integer number (20773692).

Almost surely, 2^265440930 is an apocalyptic number.

265440930 is an abundant number, since it is smaller than the sum of its proper divisors (399317214).

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

265440930 is a wasteful number, since it uses less digits than its factorization.

265440930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384730.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 265440930 is about 16292.3580245464. The cubic root of 265440930 is about 642.6718783952.

The spelling of 265440930 in words is "two hundred sixty-five million, four hundred forty thousand, nine hundred thirty".