18042590127 has 16 divisors (see below), whose sum is σ = 26160324192. Its totient is φ = 11014871040.

The previous prime is 18042590123. The next prime is 18042590177. The reversal of 18042590127 is 72109524081.

It is not a de Polignac number, because 18042590127 - 2² = 18042590123 is a prime.

It is a super-2 number, since 2×18042590127² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18042590123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4778874 + ... + 4782647.

It is an arithmetic number, because the mean of its divisors is an integer number (1635020262).

Almost surely, 2^18042590127 is an apocalyptic number.

18042590127 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

18042590127 is a deficient number, since it is larger than the sum of its proper divisors (8117734065).

18042590127 is a wasteful number, since it uses less digits than its factorization.

18042590127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9561578.

The product of its (nonzero) digits is 40320, while the sum is 39.

The spelling of 18042590127 in words is "eighteen billion, forty-two million, five hundred ninety thousand, one hundred twenty-seven".