442004424442211 has 4 divisors (see below), whose sum is σ = 442087774329552. Its totient is φ = 441921074554872.

The previous prime is 442004424442183. The next prime is 442004424442267. The reversal of 442004424442211 is 112244424400244.

It is a happy number.

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 442004424442211 - 2²⁶ = 442004357333347 is a prime.

It is a super-2 number, since 2×442004424442211² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442004424442111) 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, 41674935716 + ... + 41674946321.

It is an arithmetic number, because the mean of its divisors is an integer number (110521943582388).

Almost surely, 2^{442004424442211} is an apocalyptic number.

442004424442211 is a deficient number, since it is larger than the sum of its proper divisors (83349887341).

442004424442211 is an equidigital number, since it uses as much as digits as its factorization.

442004424442211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83349887340.

The product of its (nonzero) digits is 262144, while the sum is 38.

Adding to 442004424442211 its reverse (112244424400244), we get a palindrome (554248848842455).

The spelling of 442004424442211 in words is "four hundred forty-two trillion, four billion, four hundred twenty-four million, four hundred forty-two thousand, two hundred eleven".