2805773044 has 12 divisors (see below), whose sum is σ = 4915261764. Its totient is φ = 1401412544.

The previous prime is 2805773039. The next prime is 2805773051. The reversal of 2805773044 is 4403775082.

It can be written as a sum of positive squares in 2 ways, for example, as 1485177444 + 1320595600 = 38538^2 + 36340^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2805772988 and 2805773006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 364207 + ... + 371830.

It is an arithmetic number, because the mean of its divisors is an integer number (409605147).

Almost surely, 2^2805773044 is an apocalyptic number.

It is an amenable number.

2805773044 is a deficient number, since it is larger than the sum of its proper divisors (2109488720).

2805773044 is a wasteful number, since it uses less digits than its factorization.

2805773044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736994 (or 736992 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 40.

The square root of 2805773044 is about 52969.5482706810. The cubic root of 2805773044 is about 1410.4277568086.

It can be divided in two parts, 28057 and 73044, that added together give a palindrome (101101).

The spelling of 2805773044 in words is "two billion, eight hundred five million, seven hundred seventy-three thousand, forty-four".