2008740690 has 96 divisors (see below), whose sum is σ = 5711472000. Its totient is φ = 485775360.

The previous prime is 2008740683. The next prime is 2008740691. The reversal of 2008740690 is 960478002.

It is a super-2 number, since 2×2008740690² = 8070078319323352200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2008740691) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 442251 + ... + 446769.

It is an arithmetic number, because the mean of its divisors is an integer number (59494500).

Almost surely, 2^2008740690 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2008740690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2855736000).

2008740690 is an abundant number, since it is smaller than the sum of its proper divisors (3702731310).

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

2008740690 is a wasteful number, since it uses less digits than its factorization.

2008740690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4992 (or 4989 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 2008740690 is about 44818.9768959533. The cubic root of 2008740690 is about 1261.7538124343.

The spelling of 2008740690 in words is "two billion, eight million, seven hundred forty thousand, six hundred ninety".