2808550812 has 24 divisors (see below), whose sum is σ = 6589900800. Its totient is φ = 930952816.

The previous prime is 2808550781. The next prime is 2808550817. The reversal of 2808550812 is 2180558082.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2808550817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 651612 + ... + 655907.

It is an arithmetic number, because the mean of its divisors is an integer number (274579200).

Almost surely, 2^2808550812 is an apocalyptic number.

It is an amenable number.

2808550812 is an abundant number, since it is smaller than the sum of its proper divisors (3781349988).

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

2808550812 is a wasteful number, since it uses less digits than its factorization.

2808550812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1307705 (or 1307703 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 39.

The square root of 2808550812 is about 52995.7622079351. The cubic root of 2808550812 is about 1410.8930532797.

The spelling of 2808550812 in words is "two billion, eight hundred eight million, five hundred fifty thousand, eight hundred twelve".