8449994880 has 384 divisors, whose sum is σ = 30958387200. Its totient is φ = 2120048640.

The previous prime is 8449994867. The next prime is 8449994893. The reversal of 8449994880 is 884999448.

It is an interprime number because it is at equal distance from previous prime (8449994867) and next prime (8449994893).

It is a tau number, because it is divible by the number of its divisors (384).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6606081 + ... + 6607359.

It is an arithmetic number, because the mean of its divisors is an integer number (80620800).

Almost surely, 2^8449994880 is an apocalyptic number.

8449994880 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 8449994880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15479193600).

8449994880 is an abundant number, since it is smaller than the sum of its proper divisors (22508392320).

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

8449994880 is a wasteful number, since it uses less digits than its factorization.

8449994880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1372 (or 1357 counting only the distinct ones).

The product of its (nonzero) digits is 23887872, while the sum is 63.

The square root of 8449994880 is about 91923.8537051183. The cubic root of 8449994880 is about 2036.8176448672.

The spelling of 8449994880 in words is "eight billion, four hundred forty-nine million, nine hundred ninety-four thousand, eight hundred eighty".