442710043 has 4 divisors (see below), whose sum is σ = 442783168. Its totient is φ = 442636920.

The previous prime is 442709963. The next prime is 442710091. The reversal of 442710043 is 340017244.

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

It is a cyclic number.

It is not a de Polignac number, because 442710043 - 2²¹ = 440612891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442714043) 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, 26571 + ... + 39892.

It is an arithmetic number, because the mean of its divisors is an integer number (110695792).

Almost surely, 2^442710043 is an apocalyptic number.

442710043 is a deficient number, since it is larger than the sum of its proper divisors (73125).

442710043 is an equidigital number, since it uses as much as digits as its factorization.

442710043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73124.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 442710043 is about 21040.6759159491. The cubic root of 442710043 is about 762.1488372428.

Adding to 442710043 its reverse (340017244), we get a palindrome (782727287).

The spelling of 442710043 in words is "four hundred forty-two million, seven hundred ten thousand, forty-three".