2044040460666 has 16 divisors (see below), whose sum is σ = 4137334909344. Its totient is φ = 673137822224.

The previous prime is 2044040460647. The next prime is 2044040460713. The reversal of 2044040460666 is 6660640404402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2052248961 + ... + 2052249956.

It is an arithmetic number, because the mean of its divisors is an integer number (258583431834).

Almost surely, 2^{2044040460666} is an apocalyptic number.

2044040460666 is an abundant number, since it is smaller than the sum of its proper divisors (2093294448678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2044040460666 is a wasteful number, since it uses less digits than its factorization.

2044040460666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4104499005.

The product of its (nonzero) digits is 663552, while the sum is 42.

The spelling of 2044040460666 in words is "two trillion, forty-four billion, forty million, four hundred sixty thousand, six hundred sixty-six".