2040444404431 has 8 divisors (see below), whose sum is σ = 2079341369424. Its totient is φ = 2001562180800.

The previous prime is 2040444404399. The next prime is 2040444404443. The reversal of 2040444404431 is 1344044440402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2040444404431 - 2⁵ = 2040444404399 is a prime.

It is a super-2 number, since 2×2040444404431² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040444404731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3405670 + ... + 3959731.

It is an arithmetic number, because the mean of its divisors is an integer number (259917671178).

Almost surely, 2^{2040444404431} is an apocalyptic number.

2040444404431 is a deficient number, since it is larger than the sum of its proper divisors (38896964993).

2040444404431 is an equidigital number, since it uses as much as digits as its factorization.

2040444404431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7370681.

The product of its (nonzero) digits is 98304, while the sum is 34.

Adding to 2040444404431 its reverse (1344044440402), we get a palindrome (3384488844833).

The spelling of 2040444404431 in words is "two trillion, forty billion, four hundred forty-four million, four hundred four thousand, four hundred thirty-one".