2040004400439 has 4 divisors (see below), whose sum is σ = 2720005867256. Its totient is φ = 1360002933624.

The previous prime is 2040004400437. The next prime is 2040004400503. The reversal of 2040004400439 is 9340044000402.

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

It is not a de Polignac number, because 2040004400439 - 2¹ = 2040004400437 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 (2040004400437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340000733404 + ... + 340000733409.

It is an arithmetic number, because the mean of its divisors is an integer number (680001466814).

Almost surely, 2^{2040004400439} is an apocalyptic number.

2040004400439 is a deficient number, since it is larger than the sum of its proper divisors (680001466817).

2040004400439 is an equidigital number, since it uses as much as digits as its factorization.

2040004400439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680001466816.

The product of its (nonzero) digits is 13824, while the sum is 30.

The spelling of 2040004400439 in words is "two trillion, forty billion, four million, four hundred thousand, four hundred thirty-nine".