8640741888 has 60 divisors (see below), whose sum is σ = 24937779438. Its totient is φ = 2880245760.

The previous prime is 8640741883. The next prime is 8640741943. The reversal of 8640741888 is 8881470468.

It can be written as a sum of positive squares in only one way, i.e., 7640158464 + 1000583424 = 87408^2 + 31632^2 .

It is not an unprimeable number, because it can be changed into a prime (8640741881) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 932973 + ... + 942188.

Almost surely, 2^8640741888 is an apocalyptic number.

It is an amenable number.

8640741888 is an abundant number, since it is smaller than the sum of its proper divisors (16297037550).

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

8640741888 is a wasteful number, since it uses less digits than its factorization.

8640741888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1875185 (or 1875166 counting only the distinct ones).

The product of its (nonzero) digits is 2752512, while the sum is 54.

The square root of 8640741888 is about 92955.5909453541. The cubic root of 8640741888 is about 2052.0298663049.

The spelling of 8640741888 in words is "eight billion, six hundred forty million, seven hundred forty-one thousand, eight hundred eighty-eight".