442440012412 has 24 divisors (see below), whose sum is σ = 778224547520. Its totient is φ = 220092448320.

The previous prime is 442440012361. The next prime is 442440012419. The reversal of 442440012412 is 214210044244.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442440012419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 480718 + ... + 1056394.

Almost surely, 2^442440012412 is an apocalyptic number.

It is an amenable number.

442440012412 is a deficient number, since it is larger than the sum of its proper divisors (335784535108).

442440012412 is a wasteful number, since it uses less digits than its factorization.

442440012412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576661 (or 576659 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 442440012412 its reverse (214210044244), we get a palindrome (656650056656).

The spelling of 442440012412 in words is "four hundred forty-two billion, four hundred forty million, twelve thousand, four hundred twelve".