18040114799 has 4 divisors (see below), whose sum is σ = 20617274064. Its totient is φ = 15462955536.

The previous prime is 18040114769. The next prime is 18040114801. The reversal of 18040114799 is 99741104081.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 18040114799 - 2¹² = 18040110703 is a prime.

It is a super-2 number, since 2×18040114799² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18040114739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1288579622 + ... + 1288579635.

It is an arithmetic number, because the mean of its divisors is an integer number (5154318516).

Almost surely, 2^18040114799 is an apocalyptic number.

18040114799 is a deficient number, since it is larger than the sum of its proper divisors (2577159265).

18040114799 is an equidigital number, since it uses as much as digits as its factorization.

18040114799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2577159264.

The product of its (nonzero) digits is 72576, while the sum is 44.

The spelling of 18040114799 in words is "eighteen billion, forty million, one hundred fourteen thousand, seven hundred ninety-nine".