442444443332 has 24 divisors (see below), whose sum is σ = 777461664000. Its totient is φ = 220313872800.

The previous prime is 442444443323. The next prime is 442444443379. The reversal of 442444443332 is 233344444244.

It is a self number, because there is not a number n which added to its sum of digits gives 442444443332.

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, 1166669 + ... + 1498667.

It is an arithmetic number, because the mean of its divisors is an integer number (32394236000).

Almost surely, 2^442444443332 is an apocalyptic number.

It is an amenable number.

442444443332 is a deficient number, since it is larger than the sum of its proper divisors (335017220668).

442444443332 is a wasteful number, since it uses less digits than its factorization.

442444443332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333371 (or 333369 counting only the distinct ones).

The product of its digits is 1769472, while the sum is 41.

Adding to 442444443332 its reverse (233344444244), we get a palindrome (675788887576).

The spelling of 442444443332 in words is "four hundred forty-two billion, four hundred forty-four million, four hundred forty-three thousand, three hundred thirty-two".