18054290 has 16 divisors (see below), whose sum is σ = 32578200. Its totient is φ = 7203840.

The previous prime is 18054263. The next prime is 18054301. The reversal of 18054290 is 9245081.

It can be written as a sum of positive squares in 4 ways, for example, as 10962721 + 7091569 = 3311^2 + 2663^2 .

It is a Curzon number.

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, 2480 + ... + 6500.

Almost surely, 2^18054290 is an apocalyptic number.

18054290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18054290 is a deficient number, since it is larger than the sum of its proper divisors (14523910).

18054290 is a wasteful number, since it uses less digits than its factorization.

18054290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4477.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 18054290 is about 4249.0340078658. The cubic root of 18054290 is about 262.3373565419.

The spelling of 18054290 in words is "eighteen million, fifty-four thousand, two hundred ninety".