442440112030312 has 16 divisors (see below), whose sum is σ = 904991138244000. Its totient is φ = 201109141831920.

The previous prime is 442440112030309. The next prime is 442440112030327. The reversal of 442440112030312 is 213030211044244.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2513864272812 + ... + 2513864272987.

It is an arithmetic number, because the mean of its divisors is an integer number (56561946140250).

Almost surely, 2^{442440112030312} is an apocalyptic number.

It is an amenable number.

442440112030312 is an abundant number, since it is smaller than the sum of its proper divisors (462551026213688).

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

442440112030312 is a wasteful number, since it uses less digits than its factorization.

442440112030312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5027728545816 (or 5027728545812 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 442440112030312 its reverse (213030211044244), we get a palindrome (655470323074556).

The spelling of 442440112030312 in words is "four hundred forty-two trillion, four hundred forty billion, one hundred twelve million, thirty thousand, three hundred twelve".