2863816640 has 28 divisors (see below), whose sum is σ = 6819464136. Its totient is φ = 1145526528.

The previous prime is 2863816639. The next prime is 2863816699. The reversal of 2863816640 is 466183682.

2863816640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2863816591 and 2863816600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4474394 + ... + 4475033.

Almost surely, 2^2863816640 is an apocalyptic number.

2863816640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2863816640 is an abundant number, since it is smaller than the sum of its proper divisors (3955647496).

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

2863816640 is an equidigital number, since it uses as much as digits as its factorization.

2863816640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8949444 (or 8949434 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 44.

The square root of 2863816640 is about 53514.6394923856. The cubic root of 2863816640 is about 1420.0873846905.

The spelling of 2863816640 in words is "two billion, eight hundred sixty-three million, eight hundred sixteen thousand, six hundred forty".