260040559 has 8 divisors (see below), whose sum is σ = 262966608. Its totient is φ = 257121600.

The previous prime is 260040541. The next prime is 260040563. The reversal of 260040559 is 955040062.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-260040559 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 260040559.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260040589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109624 + ... + 111970.

It is an arithmetic number, because the mean of its divisors is an integer number (32870826).

Almost surely, 2^260040559 is an apocalyptic number.

260040559 is a deficient number, since it is larger than the sum of its proper divisors (2926049).

260040559 is a wasteful number, since it uses less digits than its factorization.

260040559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3545.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 260040559 is about 16125.7731287526. The cubic root of 260040559 is about 638.2836163645.

The spelling of 260040559 in words is "two hundred sixty million, forty thousand, five hundred fifty-nine".