2044040042191 has 32 divisors (see below), whose sum is σ = 2356421760000. Its totient is φ = 1736837752320.

The previous prime is 2044040042189. The next prime is 2044040042237. The reversal of 2044040042191 is 1912400404402.

It is a cyclic number.

It is not a de Polignac number, because 2044040042191 - 2¹ = 2044040042189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2044040042101) 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, 355544185 + ... + 355549933.

It is an arithmetic number, because the mean of its divisors is an integer number (73638180000).

Almost surely, 2^{2044040042191} is an apocalyptic number.

2044040042191 is a deficient number, since it is larger than the sum of its proper divisors (312381717809).

2044040042191 is a wasteful number, since it uses less digits than its factorization.

2044040042191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6919.

The product of its (nonzero) digits is 9216, while the sum is 31.

Adding to 2044040042191 its reverse (1912400404402), we get a palindrome (3956440446593).

The spelling of 2044040042191 in words is "two trillion, forty-four billion, forty million, forty-two thousand, one hundred ninety-one".