2808000840 has 64 divisors (see below), whose sum is σ = 8919538560. Its totient is φ = 704752640.

The previous prime is 2808000829. The next prime is 2808000841. The reversal of 2808000840 is 480008082.

2808000840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 2808000798 and 2808000807.

It is not an unprimeable number, because it can be changed into a prime (2808000841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 686196 + ... + 690275.

It is an arithmetic number, because the mean of its divisors is an integer number (139367790).

Almost surely, 2^2808000840 is an apocalyptic number.

2808000840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2808000840 is an abundant number, since it is smaller than the sum of its proper divisors (6111537720).

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

2808000840 is a wasteful number, since it uses less digits than its factorization.

2808000840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1376502 (or 1376498 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 30.

The square root of 2808000840 is about 52990.5731239057. The cubic root of 2808000840 is about 1410.8009533106.

The spelling of 2808000840 in words is "two billion, eight hundred eight million, eight hundred forty", and thus it is an aban number.