2040442334109 has 12 divisors (see below), whose sum is σ = 2956721909596. Its totient is φ = 1355948897472.

The previous prime is 2040442334071. The next prime is 2040442334141. The reversal of 2040442334109 is 9014332440402.

2040442334109 is a `hidden beast` number, since 2 + 0 + 4 + 0 + 4 + 4 + 233 + 410 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 16233308100 + 2024209026009 = 127410^2 + 1422747^2 .

It is not a de Polignac number, because 2040442334109 - 2⁹ = 2040442333597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040442334179) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 362163022 + ... + 362168655.

Almost surely, 2^{2040442334109} is an apocalyptic number.

It is an amenable number.

2040442334109 is a deficient number, since it is larger than the sum of its proper divisors (916279575487).

2040442334109 is a wasteful number, since it uses less digits than its factorization.

2040442334109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724331996 (or 724331993 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The spelling of 2040442334109 in words is "two trillion, forty billion, four hundred forty-two million, three hundred thirty-four thousand, one hundred nine".