442291847872 has 28 divisors (see below), whose sum is σ = 1003054727440. Its totient is φ = 189553648896.

The previous prime is 442291847869. The next prime is 442291847911. The reversal of 442291847872 is 278748192244.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (28).

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, 493628847 + ... + 493629742.

Almost surely, 2^442291847872 is an apocalyptic number.

It is an amenable number.

442291847872 is an abundant number, since it is smaller than the sum of its proper divisors (560762879568).

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

442291847872 is an equidigital number, since it uses as much as digits as its factorization.

442291847872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987258608 (or 987258598 counting only the distinct ones).

The product of its digits is 14450688, while the sum is 58.

The spelling of 442291847872 in words is "four hundred forty-two billion, two hundred ninety-one million, eight hundred forty-seven thousand, eight hundred seventy-two".