442054388816 has 80 divisors (see below), whose sum is σ = 924568085760. Its totient is φ = 204087029760.

The previous prime is 442054388807. The next prime is 442054388869. The reversal of 442054388816 is 618883450244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3379220 + ... + 3507596.

It is an arithmetic number, because the mean of its divisors is an integer number (11557101072).

Almost surely, 2^442054388816 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 442054388816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (462284042880).

442054388816 is an abundant number, since it is smaller than the sum of its proper divisors (482513696944).

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

442054388816 is a wasteful number, since it uses less digits than its factorization.

442054388816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128692 (or 128686 counting only the distinct ones).

The product of its (nonzero) digits is 5898240, while the sum is 53.

The spelling of 442054388816 in words is "four hundred forty-two billion, fifty-four million, three hundred eighty-eight thousand, eight hundred sixteen".