8740443168 has 144 divisors (see below), whose sum is σ = 25951325400. Its totient is φ = 2786918400.

The previous prime is 8740443157. The next prime is 8740443169. The reversal of 8740443168 is 8613440478.

8740443168 is a `hidden beast` number, since 8 + 7 + 40 + 443 + 168 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 8584393104 + 156050064 = 92652^2 + 12492^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is not an unprimeable number, because it can be changed into a prime (8740443169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 905568 + ... + 915168.

Almost surely, 2^8740443168 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 8740443168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12975662700).

8740443168 is an abundant number, since it is smaller than the sum of its proper divisors (17210882232).

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

8740443168 is a wasteful number, since it uses less digits than its factorization.

8740443168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9755 (or 9744 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 45.

The square root of 8740443168 is about 93490.3372974983. The cubic root of 8740443168 is about 2059.8921588690.

The spelling of 8740443168 in words is "eight billion, seven hundred forty million, four hundred forty-three thousand, one hundred sixty-eight".