2040042004439 has 4 divisors (see below), whose sum is σ = 2040049788600. Its totient is φ = 2040034220280.

The previous prime is 2040042004417. The next prime is 2040042004463. The reversal of 2040042004439 is 9344002400402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2040042004439 - 2²⁸ = 2039773568983 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 (2040042000439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3484757 + ... + 4027854.

It is an arithmetic number, because the mean of its divisors is an integer number (510012447150).

Almost surely, 2^{2040042004439} is an apocalyptic number.

2040042004439 is a deficient number, since it is larger than the sum of its proper divisors (7784161).

2040042004439 is an equidigital number, since it uses as much as digits as its factorization.

2040042004439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7784160.

The product of its (nonzero) digits is 27648, while the sum is 32.

The spelling of 2040042004439 in words is "two trillion, forty billion, forty-two million, four thousand, four hundred thirty-nine".