442424400244 has 12 divisors (see below), whose sum is σ = 774266663268. Its totient is φ = 221205353600.

The previous prime is 442424400181. The next prime is 442424400283. The reversal of 442424400244 is 442004424244.

It can be written as a sum of positive squares in 2 ways, for example, as 380612495844 + 61811904400 = 616938^2 + 248620^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1564837 + ... + 1825804.

It is an arithmetic number, because the mean of its divisors is an integer number (64522221939).

Almost surely, 2^442424400244 is an apocalyptic number.

It is an amenable number.

442424400244 is a deficient number, since it is larger than the sum of its proper divisors (331842263024).

442424400244 is a wasteful number, since it uses less digits than its factorization.

442424400244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3423266 (or 3423264 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 34.

Adding to 442424400244 its reverse (442004424244), we get a palindrome (884428824488).

The spelling of 442424400244 in words is "four hundred forty-two billion, four hundred twenty-four million, four hundred thousand, two hundred forty-four".