442441330412 has 12 divisors (see below), whose sum is σ = 774278195376. Its totient is φ = 221218988880.

The previous prime is 442441330393. The next prime is 442441330417. The reversal of 442441330412 is 214033144244.

It is not an unprimeable number, because it can be changed into a prime (442441330417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 319337 + ... + 993407.

It is an arithmetic number, because the mean of its divisors is an integer number (64523182948).

Almost surely, 2^442441330412 is an apocalyptic number.

It is an amenable number.

442441330412 is a deficient number, since it is larger than the sum of its proper divisors (331836864964).

442441330412 is a wasteful number, since it uses less digits than its factorization.

442441330412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838168 (or 838166 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 442441330412 its reverse (214033144244), we get a palindrome (656474474656).

The spelling of 442441330412 in words is "four hundred forty-two billion, four hundred forty-one million, three hundred thirty thousand, four hundred twelve".