260000555 has 8 divisors (see below), whose sum is σ = 312928512. Its totient is φ = 207381888.

The previous prime is 260000539. The next prime is 260000561. The reversal of 260000555 is 555000062.

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

It is a cyclic number.

It is not a de Polignac number, because 260000555 - 2⁴ = 260000539 is a prime.

It is a Duffinian number.

260000555 is a modest number, since divided by 555 gives 260 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 260000555.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75467 + ... + 78836.

It is an arithmetic number, because the mean of its divisors is an integer number (39116064).

Almost surely, 2^260000555 is an apocalyptic number.

260000555 is a deficient number, since it is larger than the sum of its proper divisors (52927957).

260000555 is a wasteful number, since it uses less digits than its factorization.

260000555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154645.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 260000555 is about 16124.5327064073. The cubic root of 260000555 is about 638.2508840254.

The spelling of 260000555 in words is "two hundred sixty million, five hundred fifty-five", and thus it is an aban number.