8549820000 has 480 divisors, whose sum is σ = 31741839360. Its totient is φ = 2237760000.

The previous prime is 8549819869. The next prime is 8549820001. The reversal of 8549820000 is 289458.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8549820001) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 38339889 + ... + 38340111.

It is an arithmetic number, because the mean of its divisors is an integer number (66128832).

Almost surely, 2^8549820000 is an apocalyptic number.

8549820000 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8549820000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15870919680).

8549820000 is an abundant number, since it is smaller than the sum of its proper divisors (23192019360).

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

8549820000 is a wasteful number, since it uses less digits than its factorization.

8549820000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333 (or 304 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 8549820000 is about 92465.2367108850. The cubic root of 8549820000 is about 2044.8070031059.

The spelling of 8549820000 in words is "eight billion, five hundred forty-nine million, eight hundred twenty thousand".