442433440111 has 4 divisors (see below), whose sum is σ = 476466781672. Its totient is φ = 408400098552.

The previous prime is 442433440063. The next prime is 442433440157. The reversal of 442433440111 is 111044334244.

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 442433440111 - 2¹⁵ = 442433407343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442433449111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17016670761 + ... + 17016670786.

It is an arithmetic number, because the mean of its divisors is an integer number (119116695418).

Almost surely, 2^442433440111 is an apocalyptic number.

442433440111 is a deficient number, since it is larger than the sum of its proper divisors (34033341561).

442433440111 is a wasteful number, since it uses less digits than its factorization.

442433440111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34033341560.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 442433440111 its reverse (111044334244), we get a palindrome (553477774355).

The spelling of 442433440111 in words is "four hundred forty-two billion, four hundred thirty-three million, four hundred forty thousand, one hundred eleven".