18182098242 has 128 divisors (see below), whose sum is σ = 51546654720. Its totient is φ = 4612749120.

The previous prime is 18182098229. The next prime is 18182098243. The reversal of 18182098242 is 24289028181.

It is not an unprimeable number, because it can be changed into a prime (18182098243) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 127948 + ... + 229640.

It is an arithmetic number, because the mean of its divisors is an integer number (402708240).

Almost surely, 2^18182098242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18182098242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25773327360).

18182098242 is an abundant number, since it is smaller than the sum of its proper divisors (33364556478).

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

18182098242 is a wasteful number, since it uses less digits than its factorization.

18182098242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101765 (or 101759 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 45.

The spelling of 18182098242 in words is "eighteen billion, one hundred eighty-two million, ninety-eight thousand, two hundred forty-two".