442828244 has 12 divisors (see below), whose sum is σ = 775857600. Its totient is φ = 221154648.

The previous prime is 442828241. The next prime is 442828261.

442828244 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 442828198 and 442828207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442828241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61004 + ... + 67875.

It is an arithmetic number, because the mean of its divisors is an integer number (64654800).

Almost surely, 2^442828244 is an apocalyptic number.

It is an amenable number.

442828244 is a deficient number, since it is larger than the sum of its proper divisors (333029356).

442828244 is a wasteful number, since it uses less digits than its factorization.

442828244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129742 (or 129740 counting only the distinct ones).

The product of its digits is 131072, while the sum is 38.

The square root of 442828244 is about 21043.4845973760. The cubic root of 442828244 is about 762.2166609721.

The spelling of 442828244 in words is "four hundred forty-two million, eight hundred twenty-eight thousand, two hundred forty-four".