2805282040 has 64 divisors (see below), whose sum is σ = 6893100000. Its totient is φ = 1019005440.

The previous prime is 2805281987. The next prime is 2805282049. The reversal of 2805282040 is 402825082.

It is a junction number, because it is equal to n+sod(n) for n = 2805281993 and 2805282011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2805282049) 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 15 ways as a sum of consecutive naturals, for example, 485086 + ... + 490834.

Almost surely, 2^2805282040 is an apocalyptic number.

2805282040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2805282040 is an abundant number, since it is smaller than the sum of its proper divisors (4087817960).

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

2805282040 is a wasteful number, since it uses less digits than its factorization.

2805282040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6880 (or 6876 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 31.

The square root of 2805282040 is about 52964.9132917255. The cubic root of 2805282040 is about 1410.3454781092.

The spelling of 2805282040 in words is "two billion, eight hundred five million, two hundred eighty-two thousand, forty".