260538500 has 48 divisors (see below), whose sum is σ = 574654080. Its totient is φ = 103183200.

The previous prime is 260538463. The next prime is 260538529. The reversal of 260538500 is 5835062.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48971 + ... + 54029.

It is an arithmetic number, because the mean of its divisors is an integer number (11971960).

Almost surely, 2^260538500 is an apocalyptic number.

260538500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 260538500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287327040).

260538500 is an abundant number, since it is smaller than the sum of its proper divisors (314115580).

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

260538500 is a wasteful number, since it uses less digits than its factorization.

260538500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5181 (or 5169 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 260538500 is about 16141.2050355604. The cubic root of 260538500 is about 638.6907643032.

The spelling of 260538500 in words is "two hundred sixty million, five hundred thirty-eight thousand, five hundred".