2668488445 has 16 divisors (see below), whose sum is σ = 3678612480. Its totient is φ = 1820335104.

The previous prime is 2668488439. The next prime is 2668488457. The reversal of 2668488445 is 5448848662.

It is not a de Polignac number, because 2668488445 - 2¹³ = 2668480253 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190765 + ... + 204274.

It is an arithmetic number, because the mean of its divisors is an integer number (229913280).

Almost surely, 2^2668488445 is an apocalyptic number.

It is an amenable number.

2668488445 is a deficient number, since it is larger than the sum of its proper divisors (1010124035).

2668488445 is a wasteful number, since it uses less digits than its factorization.

2668488445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395244.

The product of its digits is 11796480, while the sum is 55.

The square root of 2668488445 is about 51657.4142306794. The cubic root of 2668488445 is about 1387.0382644534.

The spelling of 2668488445 in words is "two billion, six hundred sixty-eight million, four hundred eighty-eight thousand, four hundred forty-five".