442043205 has 16 divisors (see below), whose sum is σ = 708912960. Its totient is φ = 235208448.

The previous prime is 442043183. The next prime is 442043207. The reversal of 442043205 is 502340244.

It is not a de Polignac number, because 442043205 - 2¹² = 442039109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442043207) 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 15 ways as a sum of consecutive naturals, for example, 27535 + ... + 40524.

It is an arithmetic number, because the mean of its divisors is an integer number (44307060).

Almost surely, 2^442043205 is an apocalyptic number.

It is an amenable number.

442043205 is a deficient number, since it is larger than the sum of its proper divisors (266869755).

442043205 is a wasteful number, since it uses less digits than its factorization.

442043205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68500.

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 442043205 is about 21024.8235426602. The cubic root of 442043205 is about 761.7659792796.

Adding to 442043205 its reverse (502340244), we get a palindrome (944383449).

The spelling of 442043205 in words is "four hundred forty-two million, forty-three thousand, two hundred five".