442234444398 has 8 divisors (see below), whose sum is σ = 884468888808. Its totient is φ = 147411481464.

The previous prime is 442234444369. The next prime is 442234444411. The reversal of 442234444398 is 893444432244.

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

442234444398 is an admirable number.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 442234444398.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36852870361 + ... + 36852870372.

It is an arithmetic number, because the mean of its divisors is an integer number (110558611101).

Almost surely, 2^442234444398 is an apocalyptic number.

442234444398 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

442234444398 is a wasteful number, since it uses less digits than its factorization.

442234444398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73705740738.

The product of its digits is 10616832, while the sum is 51.

The spelling of 442234444398 in words is "four hundred forty-two billion, two hundred thirty-four million, four hundred forty-four thousand, three hundred ninety-eight".