260240840 has 32 divisors (see below), whose sum is σ = 587105280. Its totient is φ = 103818432.

The previous prime is 260240821. The next prime is 260240843. The reversal of 260240840 is 48042062.

It is not an unprimeable number, because it can be changed into a prime (260240843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6827 + ... + 23813.

It is an arithmetic number, because the mean of its divisors is an integer number (18347040).

Almost surely, 2^260240840 is an apocalyptic number.

260240840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

260240840 is an abundant number, since it is smaller than the sum of its proper divisors (326864440).

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

260240840 is a wasteful number, since it uses less digits than its factorization.

260240840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17381 (or 17377 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 260240840 is about 16131.9818993204. The cubic root of 260240840 is about 638.4474411618.

The spelling of 260240840 in words is "two hundred sixty million, two hundred forty thousand, eight hundred forty".