8648043648 has 64 divisors (see below), whose sum is σ = 24180405600. Its totient is φ = 2730958848.

The previous prime is 8648043643. The next prime is 8648043661. The reversal of 8648043648 is 8463408468.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 8648043648.

It is not an unprimeable number, because it can be changed into a prime (8648043641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 585361 + ... + 599952.

Almost surely, 2^8648043648 is an apocalyptic number.

It is an amenable number.

8648043648 is an abundant number, since it is smaller than the sum of its proper divisors (15532361952).

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

8648043648 is a wasteful number, since it uses less digits than its factorization.

8648043648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1185349 (or 1185337 counting only the distinct ones).

The product of its (nonzero) digits is 3538944, while the sum is 51.

The square root of 8648043648 is about 92994.8581804392. The cubic root of 8648043648 is about 2052.6077183476.

The spelling of 8648043648 in words is "eight billion, six hundred forty-eight million, forty-three thousand, six hundred forty-eight".