2008617540 has 24 divisors (see below), whose sum is σ = 5624129280. Its totient is φ = 535631328.

The previous prime is 2008617539. The next prime is 2008617571. The reversal of 2008617540 is 457168002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16738420 + ... + 16738539.

It is an arithmetic number, because the mean of its divisors is an integer number (234338720).

Almost surely, 2^2008617540 is an apocalyptic number.

2008617540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2008617540 is an abundant number, since it is smaller than the sum of its proper divisors (3615511740).

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

2008617540 is a wasteful number, since it uses less digits than its factorization.

2008617540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33476971 (or 33476969 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 2008617540 is about 44817.6030148869. The cubic root of 2008617540 is about 1261.7280270989.

The spelling of 2008617540 in words is "two billion, eight million, six hundred seventeen thousand, five hundred forty".