442421310244 has 12 divisors (see below), whose sum is σ = 774881961868. Its totient is φ = 221026464000.

The previous prime is 442421310209. The next prime is 442421310251. The reversal of 442421310244 is 442013124244.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 178751384100 + 263669926144 = 422790^2 + 513488^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46042377 + ... + 46051984.

Almost surely, 2^442421310244 is an apocalyptic number.

It is an amenable number.

442421310244 is a deficient number, since it is larger than the sum of its proper divisors (332460651624).

442421310244 is a wasteful number, since it uses less digits than its factorization.

442421310244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92095566 (or 92095564 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 442421310244 its reverse (442013124244), we get a palindrome (884434434488).

The spelling of 442421310244 in words is "four hundred forty-two billion, four hundred twenty-one million, three hundred ten thousand, two hundred forty-four".