2805405300 has 72 divisors (see below), whose sum is σ = 9018867200. Its totient is φ = 748107360.

The previous prime is 2805405299. The next prime is 2805405313. The reversal of 2805405300 is 35045082.

2805405300 is a `hidden beast` number, since 2 + 80 + 54 + 0 + 530 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 516820 + ... + 522219.

Almost surely, 2^2805405300 is an apocalyptic number.

2805405300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2805405300 is an abundant number, since it is smaller than the sum of its proper divisors (6213461900).

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

2805405300 is a wasteful number, since it uses less digits than its factorization.

2805405300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1039062 (or 1039049 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 2805405300 is about 52966.0768794518. The cubic root of 2805405300 is about 1410.3661339809.

The spelling of 2805405300 in words is "two billion, eight hundred five million, four hundred five thousand, three hundred".