9442289844 has 72 divisors (see below), whose sum is σ = 25755754752. Its totient is φ = 2899471680.

The previous prime is 9442289767. The next prime is 9442289863. The reversal of 9442289844 is 4489822449.

It is a happy number.

9442289844 is a `hidden beast` number, since 94 + 422 + 8 + 98 + 44 = 666.

9442289844 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 23 ways as a sum of consecutive naturals, for example, 215349 + ... + 255459.

It is an arithmetic number, because the mean of its divisors is an integer number (357718816).

Almost surely, 2^9442289844 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9442289844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12877877376).

9442289844 is an abundant number, since it is smaller than the sum of its proper divisors (16313464908).

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

9442289844 is a wasteful number, since it uses less digits than its factorization.

9442289844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40637 (or 40632 counting only the distinct ones).

The product of its digits is 5308416, while the sum is 54.

The square root of 9442289844 is about 97171.4456206143. The cubic root of 9442289844 is about 2113.6144814540.

The spelling of 9442289844 in words is "nine billion, four hundred forty-two million, two hundred eighty-nine thousand, eight hundred forty-four".