2311444664 has 16 divisors (see below), whose sum is σ = 4335703800. Its totient is φ = 1155256992.

The previous prime is 2311444657. The next prime is 2311444679. The reversal of 2311444664 is 4664441132.

It is a super-3 number, since 3×2311444664³ (a number of 29 digits) contains 333 as substring.

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, 36587 + ... + 77210.

Almost surely, 2^2311444664 is an apocalyptic number.

It is an amenable number.

2311444664 is a deficient number, since it is larger than the sum of its proper divisors (2024259136).

2311444664 is a wasteful number, since it uses less digits than its factorization.

2311444664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116342 (or 116338 counting only the distinct ones).

The product of its digits is 55296, while the sum is 35.

The square root of 2311444664 is about 48077.4860407655. The cubic root of 2311444664 is about 1322.1919244565.

Adding to 2311444664 its reverse (4664441132), we get a palindrome (6975885796).

The spelling of 2311444664 in words is "two billion, three hundred eleven million, four hundred forty-four thousand, six hundred sixty-four".