2008830640 has 40 divisors (see below), whose sum is σ = 4796768880. Its totient is φ = 781814016.

The previous prime is 2008830631. The next prime is 2008830647. The reversal of 2008830640 is 460388002.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (2008830647) by changing a digit.

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, 336370 + ... + 342289.

It is an arithmetic number, because the mean of its divisors is an integer number (119919222).

Almost surely, 2^2008830640 is an apocalyptic number.

2008830640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2008830640 is an abundant number, since it is smaller than the sum of its proper divisors (2787938240).

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

2008830640 is a wasteful number, since it uses less digits than its factorization.

2008830640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678709 (or 678703 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 2008830640 is about 44819.9803659038. The cubic root of 2008830640 is about 1261.7726456369.

The spelling of 2008830640 in words is "two billion, eight million, eight hundred thirty thousand, six hundred forty".