2808530064 has 80 divisors (see below), whose sum is σ = 8321610240. Its totient is φ = 905973120.

The previous prime is 2808530009. The next prime is 2808530083. The reversal of 2808530064 is 4600358082.

It is a super-2 number, since 2×2808530064² = 15775682240783688192, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91467 + ... + 118250.

It is an arithmetic number, because the mean of its divisors is an integer number (104020128).

Almost surely, 2^2808530064 is an apocalyptic number.

2808530064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2808530064 is an abundant number, since it is smaller than the sum of its proper divisors (5513080176).

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

2808530064 is a wasteful number, since it uses less digits than its factorization.

2808530064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209765 (or 209753 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 2808530064 is about 52995.5664560725. The cubic root of 2808530064 is about 1410.8895789753.

The spelling of 2808530064 in words is "two billion, eight hundred eight million, five hundred thirty thousand, sixty-four".