265540230 has 24 divisors (see below), whose sum is σ = 690404832. Its totient is φ = 70810704.

The previous prime is 265540207. The next prime is 265540237. The reversal of 265540230 is 32045562.

265540230 is a `hidden beast` number, since 2 + 655 + 4 + 0 + 2 + 3 + 0 = 666.

It is a super-2 number, since 2×265540230² = 141023227496905800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 265540194 and 265540203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265540237) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1475134 + ... + 1475313.

It is an arithmetic number, because the mean of its divisors is an integer number (28766868).

Almost surely, 2^265540230 is an apocalyptic number.

265540230 is an abundant number, since it is smaller than the sum of its proper divisors (424864602).

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

265540230 is a wasteful number, since it uses less digits than its factorization.

265540230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2950460 (or 2950457 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 265540230 is about 16295.4051806023. The cubic root of 265540230 is about 642.7520084155.

Adding to 265540230 its reverse (32045562), we get a palindrome (297585792).

The spelling of 265540230 in words is "two hundred sixty-five million, five hundred forty thousand, two hundred thirty".