444440422242 has 48 divisors (see below), whose sum is σ = 972946728000. Its totient is φ = 146612332896.

The previous prime is 444440422241. The next prime is 444440422357. The reversal of 444440422242 is 242224044444.

444440422242 is a `hidden beast` number, since 4 + 4 + 4 + 4 + 404 + 2 + 2 + 242 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 444440422197 and 444440422206.

It is not an unprimeable number, because it can be changed into a prime (444440422241) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1775884 + ... + 2010632.

It is an arithmetic number, because the mean of its divisors is an integer number (20269723500).

Almost surely, 2^444440422242 is an apocalyptic number.

444440422242 is an abundant number, since it is smaller than the sum of its proper divisors (528506305758).

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

444440422242 is a wasteful number, since it uses less digits than its factorization.

444440422242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235847 (or 235844 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 36.

Adding to 444440422242 its reverse (242224044444), we get a palindrome (686664466686).

The spelling of 444440422242 in words is "four hundred forty-four billion, four hundred forty million, four hundred twenty-two thousand, two hundred forty-two".