2311056644 has 24 divisors (see below), whose sum is σ = 4377581208. Its totient is φ = 1061222400.

The previous prime is 2311056641. The next prime is 2311056707. The reversal of 2311056644 is 4466501132.

It can be written as a sum of positive squares in 4 ways, for example, as 67897600 + 2243159044 = 8240^2 + 47362^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2311056644.

It is not an unprimeable number, because it can be changed into a prime (2311056641) 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 7 ways as a sum of consecutive naturals, for example, 102557 + ... + 123044.

It is an arithmetic number, because the mean of its divisors is an integer number (182399217).

Almost surely, 2^2311056644 is an apocalyptic number.

It is an amenable number.

2311056644 is a deficient number, since it is larger than the sum of its proper divisors (2066524564).

2311056644 is a wasteful number, since it uses less digits than its factorization.

2311056644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225815 (or 225813 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 2311056644 is about 48073.4505106509. The cubic root of 2311056644 is about 1322.1179352858.

Adding to 2311056644 its reverse (4466501132), we get a palindrome (6777557776).

The spelling of 2311056644 in words is "two billion, three hundred eleven million, fifty-six thousand, six hundred forty-four".