18057748242 has 8 divisors (see below), whose sum is σ = 36115496496. Its totient is φ = 6019249412.

The previous prime is 18057748237. The next prime is 18057748259. The reversal of 18057748242 is 24284775081.

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

18057748242 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 18057748191 and 18057748200.

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, 1504812348 + ... + 1504812359.

It is an arithmetic number, because the mean of its divisors is an integer number (4514437062).

Almost surely, 2^18057748242 is an apocalyptic number.

18057748242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18057748242 is a wasteful number, since it uses less digits than its factorization.

18057748242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3009624712.

The product of its (nonzero) digits is 1003520, while the sum is 48.

The spelling of 18057748242 in words is "eighteen billion, fifty-seven million, seven hundred forty-eight thousand, two hundred forty-two".