2989808340 has 24 divisors (see below), whose sum is σ = 8371463520. Its totient is φ = 797282208.

The previous prime is 2989808291. The next prime is 2989808369. The reversal of 2989808340 is 438089892.

It is a happy number.

2989808340 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 24915010 + ... + 24915129.

It is an arithmetic number, because the mean of its divisors is an integer number (348810980).

Almost surely, 2^2989808340 is an apocalyptic number.

2989808340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2989808340 is an abundant number, since it is smaller than the sum of its proper divisors (5381655180).

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

2989808340 is a wasteful number, since it uses less digits than its factorization.

2989808340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49830151 (or 49830149 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 51.

The square root of 2989808340 is about 54679.1398981367. The cubic root of 2989808340 is about 1440.6145043192.

The spelling of 2989808340 in words is "two billion, nine hundred eighty-nine million, eight hundred eight thousand, three hundred forty".