18417227042 has 8 divisors (see below), whose sum is σ = 27626542032. Its totient is φ = 9208379700.

The previous prime is 18417227021. The next prime is 18417227051. The reversal of 18417227042 is 24072271481.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 18417226987 and 18417227005.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8417 + ... + 192107.

It is an arithmetic number, because the mean of its divisors is an integer number (3453317754).

Almost surely, 2^18417227042 is an apocalyptic number.

18417227042 is a deficient number, since it is larger than the sum of its proper divisors (9209314990).

18417227042 is a wasteful number, since it uses less digits than its factorization.

18417227042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233824.

The product of its (nonzero) digits is 50176, while the sum is 38.

The spelling of 18417227042 in words is "eighteen billion, four hundred seventeen million, two hundred twenty-seven thousand, forty-two".