18342389248 has 80 divisors (see below), whose sum is σ = 37503130896. Its totient is φ = 8958976000.

The previous prime is 18342389237. The next prime is 18342389251. The reversal of 18342389248 is 84298324381.

It is a junction number, because it is equal to n+sod(n) for n = 18342389195 and 18342389204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6809790 + ... + 6812482.

Almost surely, 2^18342389248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18342389248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18751565448).

18342389248 is an abundant number, since it is smaller than the sum of its proper divisors (19160741648).

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

18342389248 is an equidigital number, since it uses as much as digits as its factorization.

18342389248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3015 (or 2999 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 52.

The spelling of 18342389248 in words is "eighteen billion, three hundred forty-two million, three hundred eighty-nine thousand, two hundred forty-eight".