442112043 has 8 divisors (see below), whose sum is σ = 590419456. Its totient is φ = 294273000.

The previous prime is 442111997. The next prime is 442112059. The reversal of 442112043 is 340211244.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-442112043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442112063) 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 7 ways as a sum of consecutive naturals, for example, 114883 + ... + 118668.

It is an arithmetic number, because the mean of its divisors is an integer number (73802432).

Almost surely, 2^442112043 is an apocalyptic number.

442112043 is a deficient number, since it is larger than the sum of its proper divisors (148307413).

442112043 is a wasteful number, since it uses less digits than its factorization.

442112043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234185.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 442112043 is about 21026.4605438005. The cubic root of 442112043 is about 761.8055197016.

Adding to 442112043 its reverse (340211244), we get a palindrome (782323287).

The spelling of 442112043 in words is "four hundred forty-two million, one hundred twelve thousand, forty-three".