442440012244 has 6 divisors (see below), whose sum is σ = 774270021434. Its totient is φ = 221220006120.

The previous prime is 442440012221. The next prime is 442440012257. The reversal of 442440012244 is 442210044244.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 437995123344 + 4444888900 = 661812^2 + 66670^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55305001527 + ... + 55305001534.

Almost surely, 2^442440012244 is an apocalyptic number.

It is an amenable number.

442440012244 is a deficient number, since it is larger than the sum of its proper divisors (331830009190).

442440012244 is a wasteful number, since it uses less digits than its factorization.

442440012244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110610003065 (or 110610003063 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 31.

Adding to 442440012244 its reverse (442210044244), we get a palindrome (884650056488).

The spelling of 442440012244 in words is "four hundred forty-two billion, four hundred forty million, twelve thousand, two hundred forty-four".