18442808192798 has 8 divisors (see below), whose sum is σ = 30179140679160. Its totient is φ = 8383094633080.

The previous prime is 18442808192791. The next prime is 18442808192819. The reversal of 18442808192798 is 89729180824481.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18442808192791) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 419154731633 + ... + 419154731676.

It is an arithmetic number, because the mean of its divisors is an integer number (3772392584895).

Almost surely, 2^{18442808192798} is an apocalyptic number.

18442808192798 is a deficient number, since it is larger than the sum of its proper divisors (11736332486362).

18442808192798 is a wasteful number, since it uses less digits than its factorization.

18442808192798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838309463322.

The product of its (nonzero) digits is 148635648, while the sum is 71.

The spelling of 18442808192798 in words is "eighteen trillion, four hundred forty-two billion, eight hundred eight million, one hundred ninety-two thousand, seven hundred ninety-eight".