18242430040112 has 160 divisors (see below), whose sum is σ = 38630964960000. Its totient is φ = 8312207275008.

The previous prime is 18242430040111. The next prime is 18242430040147. The reversal of 18242430040112 is 21104003424281.

It is not an unprimeable number, because it can be changed into a prime (18242430040111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6207017939 + ... + 6207020877.

It is an arithmetic number, because the mean of its divisors is an integer number (241443531000).

Almost surely, 2^{18242430040112} 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 18242430040112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19315482480000).

18242430040112 is an abundant number, since it is smaller than the sum of its proper divisors (20388534919888).

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

18242430040112 is a wasteful number, since it uses less digits than its factorization.

18242430040112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5371 (or 5365 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 32.

Adding to 18242430040112 its reverse (21104003424281), we get a palindrome (39346433464393).

The spelling of 18242430040112 in words is "eighteen trillion, two hundred forty-two billion, four hundred thirty million, forty thousand, one hundred twelve".