442342243198 has 8 divisors (see below), whose sum is σ = 663522783408. Its totient is φ = 221167982064.

The previous prime is 442342243181. The next prime is 442342243199. The reversal of 442342243198 is 891342243244.

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 (442342243199) 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, 1389511 + ... + 1677922.

It is an arithmetic number, because the mean of its divisors is an integer number (82940347926).

Almost surely, 2^442342243198 is an apocalyptic number.

442342243198 is a deficient number, since it is larger than the sum of its proper divisors (221180540210).

442342243198 is a wasteful number, since it uses less digits than its factorization.

442342243198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3139538.

The product of its digits is 1327104, while the sum is 46.

Adding to 442342243198 its sum of digits (46), we get a palindrome (442342243244).

The spelling of 442342243198 in words is "four hundred forty-two billion, three hundred forty-two million, two hundred forty-three thousand, one hundred ninety-eight".