442421411143344 has 40 divisors (see below), whose sum is σ = 1144705008474672. Its totient is φ = 147243735367680.

The previous prime is 442421411143337. The next prime is 442421411143357. The reversal of 442421411143344 is 443341114124244.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 442421411143296 and 442421411143305.

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, 7189604749 + ... + 7189666284.

Almost surely, 2^{442421411143344} is an apocalyptic number.

It is an amenable number.

442421411143344 is an abundant number, since it is smaller than the sum of its proper divisors (702283597331328).

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

442421411143344 is a wasteful number, since it uses less digits than its factorization.

442421411143344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14379271685 (or 14379271679 counting only the distinct ones).

The product of its digits is 589824, while the sum is 42.

Adding to 442421411143344 its reverse (443341114124244), we get a palindrome (885762525267588).

The spelling of 442421411143344 in words is "four hundred forty-two trillion, four hundred twenty-one billion, four hundred eleven million, one hundred forty-three thousand, three hundred forty-four".