8640842016 has 48 divisors (see below), whose sum is σ = 22691358144. Its totient is φ = 2879119104.

The previous prime is 8640842011. The next prime is 8640842017. The reversal of 8640842016 is 6102480468.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (8640842011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240181 + ... + 273803.

It is an arithmetic number, because the mean of its divisors is an integer number (472736628).

Almost surely, 2^8640842016 is an apocalyptic number.

It is an amenable number.

8640842016 is an abundant number, since it is smaller than the sum of its proper divisors (14050516128).

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

8640842016 is a wasteful number, since it uses less digits than its factorization.

8640842016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36313 (or 36305 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 39.

The square root of 8640842016 is about 92956.1295235554. The cubic root of 8640842016 is about 2052.0377925091.

The spelling of 8640842016 in words is "eight billion, six hundred forty million, eight hundred forty-two thousand, sixteen".