442422011444 has 48 divisors (see below), whose sum is σ = 923894366976. Its totient is φ = 181251840000.

The previous prime is 442422011411. The next prime is 442422011483. The reversal of 442422011444 is 444110224244.

It is a self number, because there is not a number n which added to its sum of digits gives 442422011444.

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, 816494 + ... + 1245594.

It is an arithmetic number, because the mean of its divisors is an integer number (19247799312).

Almost surely, 2^442422011444 is an apocalyptic number.

It is an amenable number.

442422011444 is an abundant number, since it is smaller than the sum of its proper divisors (481472355532).

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

442422011444 is a wasteful number, since it uses less digits than its factorization.

442422011444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430736 (or 430734 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 32.

Adding to 442422011444 its reverse (444110224244), we get a palindrome (886532235688).

The spelling of 442422011444 in words is "four hundred forty-two billion, four hundred twenty-two million, eleven thousand, four hundred forty-four".