442405100422 has 8 divisors (see below), whose sum is σ = 681542992656. Its totient is φ = 215224102872.

The previous prime is 442405100399. The next prime is 442405100437. The reversal of 442405100422 is 224001504244.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2989223578 + ... + 2989223725.

It is an arithmetic number, because the mean of its divisors is an integer number (85192874082).

Almost surely, 2^442405100422 is an apocalyptic number.

442405100422 is a deficient number, since it is larger than the sum of its proper divisors (239137892234).

442405100422 is a wasteful number, since it uses less digits than its factorization.

442405100422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5978447342.

The product of its (nonzero) digits is 10240, while the sum is 28.

Adding to 442405100422 its reverse (224001504244), we get a palindrome (666406604666).

The spelling of 442405100422 in words is "four hundred forty-two billion, four hundred five million, one hundred thousand, four hundred twenty-two".