18080254 has 24 divisors (see below), whose sum is σ = 29313360. Its totient is φ = 8347680.

The previous prime is 18080243. The next prime is 18080273. The reversal of 18080254 is 45208081.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44002 + ... + 44410.

It is an arithmetic number, because the mean of its divisors is an integer number (1221390).

Almost surely, 2^18080254 is an apocalyptic number.

18080254 is a deficient number, since it is larger than the sum of its proper divisors (11233106).

18080254 is a wasteful number, since it uses less digits than its factorization.

18080254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496 (or 465 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 18080254 is about 4252.0881928765. The cubic root of 18080254 is about 262.4630526986.

The spelling of 18080254 in words is "eighteen million, eighty thousand, two hundred fifty-four".