2040443577 has 6 divisors (see below), whose sum is σ = 2947307402. Its totient is φ = 1360295712.

The previous prime is 2040443569. The next prime is 2040443623. The reversal of 2040443577 is 7753440402.

2040443577 is a `hidden beast` number, since 2 + 0 + 40 + 4 + 43 + 577 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2040419241 + 24336 = 45171^2 + 156^2 .

It is not a de Polignac number, because 2040443577 - 2³ = 2040443569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2040443177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 113357968 + ... + 113357985.

Almost surely, 2^2040443577 is an apocalyptic number.

It is an amenable number.

2040443577 is a deficient number, since it is larger than the sum of its proper divisors (906863825).

2040443577 is a wasteful number, since it uses less digits than its factorization.

2040443577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226715959 (or 226715956 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 36.

The square root of 2040443577 is about 45171.2693755666. The cubic root of 2040443577 is about 1268.3570581483.

Adding to 2040443577 its reverse (7753440402), we get a palindrome (9793883979).

The spelling of 2040443577 in words is "two billion, forty million, four hundred forty-three thousand, five hundred seventy-seven".