8002388640 has 48 divisors (see below), whose sum is σ = 25207525728. Its totient is φ = 2133970176.

The previous prime is 8002388633. The next prime is 8002388663. The reversal of 8002388640 is 468832008.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8335342 + ... + 8336301.

It is an arithmetic number, because the mean of its divisors is an integer number (525156786).

Almost surely, 2^8002388640 is an apocalyptic number.

8002388640 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8002388640 is an abundant number, since it is smaller than the sum of its proper divisors (17205137088).

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

8002388640 is a wasteful number, since it uses less digits than its factorization.

8002388640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16671661 (or 16671653 counting only the distinct ones).

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

The square root of 8002388640 is about 89456.0710069473. The cubic root of 8002388640 is about 2000.1990335255.

The spelling of 8002388640 in words is "eight billion, two million, three hundred eighty-eight thousand, six hundred forty".