260388530 has 16 divisors (see below), whose sum is σ = 483819264. Its totient is φ = 100795440.

The previous prime is 260388529. The next prime is 260388547. The reversal of 260388530 is 35883062.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 419672 + ... + 420291.

It is an arithmetic number, because the mean of its divisors is an integer number (30238704).

Almost surely, 2^260388530 is an apocalyptic number.

260388530 is a deficient number, since it is larger than the sum of its proper divisors (223430734).

260388530 is a wasteful number, since it uses less digits than its factorization.

260388530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840001.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 260388530 is about 16136.5588029171. The cubic root of 260388530 is about 638.5681940137.

The spelling of 260388530 in words is "two hundred sixty million, three hundred eighty-eight thousand, five hundred thirty".