442044004 has 12 divisors (see below), whose sum is σ = 798531328. Its totient is φ = 213892200.

The previous prime is 442043983. The next prime is 442044023. The reversal of 442044004 is 400440244.

It is an unprimeable number.

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, 1782312 + ... + 1782559.

Almost surely, 2^442044004 is an apocalyptic number.

It is an amenable number.

442044004 is a deficient number, since it is larger than the sum of its proper divisors (356487324).

442044004 is a wasteful number, since it uses less digits than its factorization.

442044004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3564906 (or 3564904 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 442044004 is about 21024.8425440002. The cubic root of 442044004 is about 761.7664382473.

Adding to 442044004 its reverse (400440244), we get a palindrome (842484248).

The spelling of 442044004 in words is "four hundred forty-two million, forty-four thousand, four".