18330230242 has 8 divisors (see below), whose sum is σ = 27905723856. Its totient is φ = 9028322292.

The previous prime is 18330230239. The next prime is 18330230279. The reversal of 18330230242 is 24203203381.

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

It is a self number, because there is not a number n which added to its sum of digits gives 18330230242.

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, 68396248 + ... + 68396515.

It is an arithmetic number, because the mean of its divisors is an integer number (3488215482).

Almost surely, 2^18330230242 is an apocalyptic number.

18330230242 is a deficient number, since it is larger than the sum of its proper divisors (9575493614).

18330230242 is a wasteful number, since it uses less digits than its factorization.

18330230242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136792832.

The product of its (nonzero) digits is 6912, while the sum is 28.

The spelling of 18330230242 in words is "eighteen billion, three hundred thirty million, two hundred thirty thousand, two hundred forty-two".