442003244 has 12 divisors (see below), whose sum is σ = 775947984. Its totient is φ = 220303824.

The previous prime is 442003241. The next prime is 442003253. The reversal of 442003244 is 442300244.

It is not an unprimeable number, because it can be changed into a prime (442003241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173024 + ... + 175559.

It is an arithmetic number, because the mean of its divisors is an integer number (64662332).

Almost surely, 2^442003244 is an apocalyptic number.

It is an amenable number.

442003244 is a deficient number, since it is larger than the sum of its proper divisors (333944740).

442003244 is a wasteful number, since it uses less digits than its factorization.

442003244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348904 (or 348902 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 442003244 is about 21023.8731921594. The cubic root of 442003244 is about 761.7430238706.

Adding to 442003244 its reverse (442300244), we get a palindrome (884303488).

The spelling of 442003244 in words is "four hundred forty-two million, three thousand, two hundred forty-four".