8855218944 has 864 divisors, whose sum is σ = 33734830080. Its totient is φ = 2256076800.

The previous prime is 8855218919. The next prime is 8855218993. The reversal of 8855218944 is 4498125588.

8855218944 is a `hidden beast` number, since 8 + 8 + 552 + 1 + 89 + 4 + 4 = 666.

8855218944 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (864).

It is a Harshad number since it is a multiple of its sum of digits (54).

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 95 ways as a sum of consecutive naturals, for example, 285652209 + ... + 285652239.

Almost surely, 2^8855218944 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 8855218944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16867415040).

8855218944 is an abundant number, since it is smaller than the sum of its proper divisors (24879611136).

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

8855218944 is a wasteful number, since it uses less digits than its factorization.

8855218944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114 (or 77 counting only the distinct ones).

The product of its digits is 3686400, while the sum is 54.

The square root of 8855218944 is about 94102.1728973354. The cubic root of 8855218944 is about 2068.8695192534.

The spelling of 8855218944 in words is "eight billion, eight hundred fifty-five million, two hundred eighteen thousand, nine hundred forty-four".