442452204111 has 4 divisors (see below), whose sum is σ = 589936272152. Its totient is φ = 294968136072.

The previous prime is 442452204091. The next prime is 442452204143. The reversal of 442452204111 is 111402254244.

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

It is not a de Polignac number, because 442452204111 - 2⁷ = 442452203983 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 (442452204191) 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, 73742034016 + ... + 73742034021.

It is an arithmetic number, because the mean of its divisors is an integer number (147484068038).

Almost surely, 2^442452204111 is an apocalyptic number.

442452204111 is a deficient number, since it is larger than the sum of its proper divisors (147484068041).

442452204111 is a wasteful number, since it uses less digits than its factorization.

442452204111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147484068040.

The product of its (nonzero) digits is 10240, while the sum is 30.

Adding to 442452204111 its reverse (111402254244), we get a palindrome (553854458355).

The spelling of 442452204111 in words is "four hundred forty-two billion, four hundred fifty-two million, two hundred four thousand, one hundred eleven".