442420204444 has 24 divisors (see below), whose sum is σ = 776281257360. Its totient is φ = 220625830656.

The previous prime is 442420204417. The next prime is 442420204463. The reversal of 442420204444 is 444402024244.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6969054 + ... + 7032250.

It is an arithmetic number, because the mean of its divisors is an integer number (32345052390).

Almost surely, 2^442420204444 is an apocalyptic number.

It is an amenable number.

442420204444 is a deficient number, since it is larger than the sum of its proper divisors (333861052916).

442420204444 is a wasteful number, since it uses less digits than its factorization.

442420204444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67797 (or 67795 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 34.

Adding to 442420204444 its reverse (444402024244), we get a palindrome (886822228688).

The spelling of 442420204444 in words is "four hundred forty-two billion, four hundred twenty million, two hundred four thousand, four hundred forty-four".