442024044444 has 18 divisors (see below), whose sum is σ = 1117338556880. Its totient is φ = 147341348136.

The previous prime is 442024044437. The next prime is 442024044479. The reversal of 442024044444 is 444440420244.

442024044444 is a `hidden beast` number, since 4 + 4 + 202 + 4 + 0 + 4 + 4 + 444 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 12278445679 = 442024044444 / (4 + 4 + 2 + 0 + 2 + 4 + 0 + 4 + 4 + 4 + 4 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 442024044399 and 442024044408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6139222804 + ... + 6139222875.

Almost surely, 2^442024044444 is an apocalyptic number.

It is an amenable number.

442024044444 is an abundant number, since it is smaller than the sum of its proper divisors (675314512436).

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

442024044444 is a wasteful number, since it uses less digits than its factorization.

442024044444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12278445689 (or 12278445684 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 36.

Adding to 442024044444 its reverse (444440420244), we get a palindrome (886464464688).

The spelling of 442024044444 in words is "four hundred forty-two billion, twenty-four million, forty-four thousand, four hundred forty-four".