2859813680 has 40 divisors (see below), whose sum is σ = 6675603984. Its totient is φ = 1139360000.

The previous prime is 2859813679. The next prime is 2859813683. The reversal of 2859813680 is 863189582.

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 (2859813683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51131 + ... + 91290.

Almost surely, 2^2859813680 is an apocalyptic number.

2859813680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2859813680 is an abundant number, since it is smaller than the sum of its proper divisors (3815790304).

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

2859813680 is a wasteful number, since it uses less digits than its factorization.

2859813680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142685 (or 142679 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 50.

The square root of 2859813680 is about 53477.2258068797. The cubic root of 2859813680 is about 1419.4254238251.

The spelling of 2859813680 in words is "two billion, eight hundred fifty-nine million, eight hundred thirteen thousand, six hundred eighty".