18092140 has 24 divisors (see below), whose sum is σ = 41447952. Its totient is φ = 6578880.

The previous prime is 18092119. The next prime is 18092153. The reversal of 18092140 is 4129081.

It is a happy 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, 40899 + ... + 41338.

It is an arithmetic number, because the mean of its divisors is an integer number (1726998).

Almost surely, 2^18092140 is an apocalyptic number.

18092140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18092140 is an abundant number, since it is smaller than the sum of its proper divisors (23355812).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18092140 is a wasteful number, since it uses less digits than its factorization.

18092140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82257 (or 82255 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 18092140 is about 4253.4856294573. The cubic root of 18092140 is about 262.5205547019.

The spelling of 18092140 in words is "eighteen million, ninety-two thousand, one hundred forty".