2664044408289 has 32 divisors (see below), whose sum is σ = 3971845430784. Its totient is φ = 1574337098880.

The previous prime is 2664044408261. The next prime is 2664044408303. The reversal of 2664044408289 is 9828044404662.

It is not a de Polignac number, because 2664044408289 - 2²⁵ = 2664010853857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2664044408239) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 766204 + ... + 2432109.

It is an arithmetic number, because the mean of its divisors is an integer number (124120169712).

Almost surely, 2^{2664044408289} is an apocalyptic number.

It is an amenable number.

2664044408289 is a deficient number, since it is larger than the sum of its proper divisors (1307801022495).

2664044408289 is a wasteful number, since it uses less digits than its factorization.

2664044408289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3198957.

The product of its (nonzero) digits is 21233664, while the sum is 57.

The spelling of 2664044408289 in words is "two trillion, six hundred sixty-four billion, forty-four million, four hundred eight thousand, two hundred eighty-nine".