2668438384 has 20 divisors (see below), whose sum is σ = 5184511920. Its totient is φ = 1330499840.

The previous prime is 2668438373. The next prime is 2668438417. The reversal of 2668438384 is 4838348662.

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, 226537 + ... + 238024.

It is an arithmetic number, because the mean of its divisors is an integer number (259225596).

Almost surely, 2^2668438384 is an apocalyptic number.

It is an amenable number.

2668438384 is a deficient number, since it is larger than the sum of its proper divisors (2516073536).

2668438384 is a wasteful number, since it uses less digits than its factorization.

2668438384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464928 (or 464922 counting only the distinct ones).

The product of its digits is 5308416, while the sum is 52.

The square root of 2668438384 is about 51656.9296803440. The cubic root of 2668438384 is about 1387.0295907593.

The spelling of 2668438384 in words is "two billion, six hundred sixty-eight million, four hundred thirty-eight thousand, three hundred eighty-four".