442421346009 has 8 divisors (see below), whose sum is σ = 590545512160. Its totient is φ = 294622371936.

The previous prime is 442421345999. The next prime is 442421346079. The reversal of 442421346009 is 900643124244.

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

It is not a de Polignac number, because 442421346009 - 2⁷ = 442421345881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442421346079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81294844 + ... + 81300285.

It is an arithmetic number, because the mean of its divisors is an integer number (73818189020).

Almost surely, 2^442421346009 is an apocalyptic number.

It is an amenable number.

442421346009 is a deficient number, since it is larger than the sum of its proper divisors (148124166151).

442421346009 is a wasteful number, since it uses less digits than its factorization.

442421346009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162596039.

The product of its (nonzero) digits is 165888, while the sum is 39.

The spelling of 442421346009 in words is "four hundred forty-two billion, four hundred twenty-one million, three hundred forty-six thousand, nine".