442322503168 has 80 divisors (see below), whose sum is σ = 1087730693280. Its totient is φ = 174984708096.

The previous prime is 442322503157. The next prime is 442322503211. The reversal of 442322503168 is 861305223244.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 442322503168.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4700173 + ... + 4793356.

It is an arithmetic number, because the mean of its divisors is an integer number (13596633666).

Almost surely, 2^442322503168 is an apocalyptic number.

It is an amenable number.

442322503168 is an abundant number, since it is smaller than the sum of its proper divisors (645408190112).

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

442322503168 is an equidigital number, since it uses as much as digits as its factorization.

442322503168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9493567 (or 9493551 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 40.

The spelling of 442322503168 in words is "four hundred forty-two billion, three hundred twenty-two million, five hundred three thousand, one hundred sixty-eight".