442443303044 has 24 divisors (see below), whose sum is σ = 778479744000. Its totient is φ = 220020966720.

The previous prime is 442443303023. The next prime is 442443303059. The reversal of 442443303044 is 440303344244.

It is a junction number, because it is equal to n+sod(n) for n = 442443302995 and 442443303013.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4109897 + ... + 4216175.

It is an arithmetic number, because the mean of its divisors is an integer number (32436656000).

Almost surely, 2^442443303044 is an apocalyptic number.

It is an amenable number.

442443303044 is a deficient number, since it is larger than the sum of its proper divisors (336036440956).

442443303044 is a wasteful number, since it uses less digits than its factorization.

442443303044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111923 (or 111921 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 35.

Adding to 442443303044 its reverse (440303344244), we get a palindrome (882746647288).

The spelling of 442443303044 in words is "four hundred forty-two billion, four hundred forty-three million, three hundred three thousand, forty-four".