18040053210 has 32 divisors (see below), whose sum is σ = 43742486592. Its totient is φ = 4761085440.

The previous prime is 18040053191. The next prime is 18040053221. The reversal of 18040053210 is 1235004081.

It is a Curzon 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, 3096756 + ... + 3102575.

It is an arithmetic number, because the mean of its divisors is an integer number (1366952706).

Almost surely, 2^18040053210 is an apocalyptic number.

18040053210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18040053210 is an abundant number, since it is smaller than the sum of its proper divisors (25702433382).

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

18040053210 is a wasteful number, since it uses less digits than its factorization.

18040053210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6199438.

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 18040053210 its reverse (1235004081), we get a palindrome (19275057291).

The spelling of 18040053210 in words is "eighteen billion, forty million, fifty-three thousand, two hundred ten".