442106444 has 24 divisors (see below), whose sum is σ = 853526688. Its totient is φ = 199071360.

The previous prime is 442106429. The next prime is 442106449. The reversal of 442106444 is 444601244.

It is not an unprimeable number, because it can be changed into a prime (442106449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101552 + ... + 105815.

It is an arithmetic number, because the mean of its divisors is an integer number (35563612).

Almost surely, 2^442106444 is an apocalyptic number.

It is an amenable number.

442106444 is a deficient number, since it is larger than the sum of its proper divisors (411420244).

442106444 is a wasteful number, since it uses less digits than its factorization.

442106444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207425 (or 207423 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

The square root of 442106444 is about 21026.3274016172. The cubic root of 442106444 is about 761.8023037996.

Adding to 442106444 its reverse (444601244), we get a palindrome (886707688).

The spelling of 442106444 in words is "four hundred forty-two million, one hundred six thousand, four hundred forty-four".