442205444244 has 48 divisors (see below), whose sum is σ = 1051362789120. Its totient is φ = 144609379200.

The previous prime is 442205444243. The next prime is 442205444267. The reversal of 442205444244 is 442444502244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442205444243) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 13262394 + ... + 13295694.

It is an arithmetic number, because the mean of its divisors is an integer number (21903391440).

Almost surely, 2^442205444244 is an apocalyptic number.

It is an amenable number.

442205444244 is an abundant number, since it is smaller than the sum of its proper divisors (609157344876).

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

442205444244 is a wasteful number, since it uses less digits than its factorization.

442205444244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54240 (or 54238 counting only the distinct ones).

The product of its (nonzero) digits is 655360, while the sum is 39.

Adding to 442205444244 its reverse (442444502244), we get a palindrome (884649946488).

The spelling of 442205444244 in words is "four hundred forty-two billion, two hundred five million, four hundred forty-four thousand, two hundred forty-four".