2668448672 has 24 divisors (see below), whose sum is σ = 5316808896. Its totient is φ = 1318148032.

The previous prime is 2668448591. The next prime is 2668448677. The reversal of 2668448672 is 2768448662.

It is not an unprimeable number, because it can be changed into a prime (2668448677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 499688 + ... + 504999.

It is an arithmetic number, because the mean of its divisors is an integer number (221533704).

Almost surely, 2^2668448672 is an apocalyptic number.

It is an amenable number.

2668448672 is a deficient number, since it is larger than the sum of its proper divisors (2648360224).

2668448672 is a wasteful number, since it uses less digits than its factorization.

2668448672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1004780 (or 1004772 counting only the distinct ones).

The product of its digits is 6193152, while the sum is 53.

The square root of 2668448672 is about 51657.0292603049. The cubic root of 2668448672 is about 1387.0313732928.

The spelling of 2668448672 in words is "two billion, six hundred sixty-eight million, four hundred forty-eight thousand, six hundred seventy-two".