18080255 has 16 divisors (see below), whose sum is σ = 22256640. Its totient is φ = 14095392.

The previous prime is 18080243. The next prime is 18080273. The reversal of 18080255 is 55208081.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18080255 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49082 + ... + 49448.

It is an arithmetic number, because the mean of its divisors is an integer number (1391040).

Almost surely, 2^18080255 is an apocalyptic number.

18080255 is a deficient number, since it is larger than the sum of its proper divisors (4176385).

18080255 is a wasteful number, since it uses less digits than its factorization.

18080255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598.

The product of its (nonzero) digits is 3200, while the sum is 29.

The square root of 18080255 is about 4252.0883104658. The cubic root of 18080255 is about 262.4630575374.

The spelling of 18080255 in words is "eighteen million, eighty thousand, two hundred fifty-five".