2805008280 has 32 divisors (see below), whose sum is σ = 8415025200. Its totient is φ = 748002176.

The previous prime is 2805008273. The next prime is 2805008303. The reversal of 2805008280 is 828005082.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11687415 + ... + 11687654.

Almost surely, 2^2805008280 is an apocalyptic number.

2805008280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2805008280 is an abundant number, since it is smaller than the sum of its proper divisors (5610016920).

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

2805008280 is a wasteful number, since it uses less digits than its factorization.

2805008280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23375083 (or 23375079 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 33.

The square root of 2805008280 is about 52962.3288762872. The cubic root of 2805008280 is about 1410.2995993309.

The spelling of 2805008280 in words is "two billion, eight hundred five million, eight thousand, two hundred eighty".