18440114187 has 8 divisors (see below), whose sum is σ = 26821984320. Its totient is φ = 11175826760.

The previous prime is 18440114179. The next prime is 18440114191. The reversal of 18440114187 is 78141104481.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18440114187 - 2³ = 18440114179 is a prime.

It is a super-2 number, since 2×18440114187² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (18440114117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279395637 + ... + 279395702.

It is an arithmetic number, because the mean of its divisors is an integer number (3352748040).

Almost surely, 2^18440114187 is an apocalyptic number.

18440114187 is a deficient number, since it is larger than the sum of its proper divisors (8381870133).

18440114187 is a wasteful number, since it uses less digits than its factorization.

18440114187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558791353.

The product of its (nonzero) digits is 28672, while the sum is 39.

The spelling of 18440114187 in words is "eighteen billion, four hundred forty million, one hundred fourteen thousand, one hundred eighty-seven".