2812805344 has 24 divisors (see below), whose sum is σ = 5551684488. Its totient is φ = 1402853760.

The previous prime is 2812805299. The next prime is 2812805377. The reversal of 2812805344 is 4435082182.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98002 + ... + 123409.

It is an arithmetic number, because the mean of its divisors is an integer number (231320187).

Almost surely, 2^2812805344 is an apocalyptic number.

It is an amenable number.

2812805344 is a deficient number, since it is larger than the sum of its proper divisors (2738879144).

2812805344 is a wasteful number, since it uses less digits than its factorization.

2812805344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221818 (or 221810 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 37.

The square root of 2812805344 is about 53035.8873216994. The cubic root of 2812805344 is about 1411.6051240873.

It can be divided in two parts, 281 and 2805344, that added together give a square (2805625 = 1675²).

The spelling of 2812805344 in words is "two billion, eight hundred twelve million, eight hundred five thousand, three hundred forty-four".