442110043 has 2 divisors, whose sum is σ = 442110044. Its totient is φ = 442110042.

The previous prime is 442110037. The next prime is 442110049. The reversal of 442110043 is 340011244.

It is a balanced prime because it is at equal distance from previous prime (442110037) and next prime (442110049).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-442110043 is a prime.

It is a super-2 number, since 2×442110043² = 390922580242923698, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 442110043.

It is not a weakly prime, because it can be changed into another prime (442110049) 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 as a sum of consecutive naturals, namely, 221055021 + 221055022.

It is an arithmetic number, because the mean of its divisors is an integer number (221055022).

Almost surely, 2^442110043 is an apocalyptic number.

442110043 is a deficient number, since it is larger than the sum of its proper divisors (1).

442110043 is an equidigital number, since it uses as much as digits as its factorization.

442110043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 442110043 is about 21026.4129846248. The cubic root of 442110043 is about 761.8043709632.

Adding to 442110043 its reverse (340011244), we get a palindrome (782121287).

The spelling of 442110043 in words is "four hundred forty-two million, one hundred ten thousand, forty-three".