260540236 has 48 divisors (see below), whose sum is σ = 537788160. Its totient is φ = 109149120.

The previous prime is 260540227. The next prime is 260540243. The reversal of 260540236 is 632045062.

It is a happy number.

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, 26721 + ... + 35143.

It is an arithmetic number, because the mean of its divisors is an integer number (11203920).

Almost surely, 2^260540236 is an apocalyptic number.

It is an amenable number.

260540236 is an abundant number, since it is smaller than the sum of its proper divisors (277247924).

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

260540236 is a wasteful number, since it uses less digits than its factorization.

260540236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8494 (or 8492 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 260540236 is about 16141.2588108858. The cubic root of 260540236 is about 638.6921828584.

Adding to 260540236 its reverse (632045062), we get a palindrome (892585298).

The spelling of 260540236 in words is "two hundred sixty million, five hundred forty thousand, two hundred thirty-six".