442443423042 has 80 divisors (see below), whose sum is σ = 1019915582400. Its totient is φ = 143293351968.

The previous prime is 442443423001. The next prime is 442443423043. The reversal of 442443423042 is 240324344244.

442443423042 is a `hidden beast` number, since 4 + 4 + 2 + 4 + 4 + 342 + 304 + 2 = 666.

442443423042 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 442443422988 and 442443423006.

It is not an unprimeable number, because it can be changed into a prime (442443423043) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 634209 + ... + 1134507.

It is an arithmetic number, because the mean of its divisors is an integer number (12748944780).

Almost surely, 2^442443423042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 442443423042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (509957791200).

442443423042 is an abundant number, since it is smaller than the sum of its proper divisors (577472159358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

442443423042 is a wasteful number, since it uses less digits than its factorization.

442443423042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500469 (or 500460 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 36.

Adding to 442443423042 its reverse (240324344244), we get a palindrome (682767767286).

The spelling of 442443423042 in words is "four hundred forty-two billion, four hundred forty-three million, four hundred twenty-three thousand, forty-two".