442344041 has 4 divisors (see below), whose sum is σ = 442553172. Its totient is φ = 442134912.

The previous prime is 442344017. The next prime is 442344059. The reversal of 442344041 is 140443244.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 85285225 + 357058816 = 9235^2 + 18896^2 .

It is a cyclic number.

It is not a de Polignac number, because 442344041 - 2⁶ = 442343977 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 442344041.

It is not an unprimeable number, because it can be changed into a prime (442344061) 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, 101360 + ... + 105633.

It is an arithmetic number, because the mean of its divisors is an integer number (110638293).

Almost surely, 2^442344041 is an apocalyptic number.

It is an amenable number.

442344041 is a deficient number, since it is larger than the sum of its proper divisors (209131).

442344041 is a wasteful number, since it uses less digits than its factorization.

442344041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209130.

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 442344041 is about 21031.9766308352. The cubic root of 442344041 is about 761.9387487134.

Adding to 442344041 its reverse (140443244), we get a palindrome (582787285).

The spelling of 442344041 in words is "four hundred forty-two million, three hundred forty-four thousand, forty-one".