2040443421413 has 16 divisors (see below), whose sum is σ = 2114314895616. Its totient is φ = 1967880398400.

The previous prime is 2040443421407. The next prime is 2040443421431. The reversal of 2040443421413 is 3141243440402.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2040443421413 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2040443421413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040443421473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 953795 + ... + 2233967.

It is an arithmetic number, because the mean of its divisors is an integer number (132144680976).

Almost surely, 2^{2040443421413} is an apocalyptic number.

It is an amenable number.

2040443421413 is a deficient number, since it is larger than the sum of its proper divisors (73871474203).

2040443421413 is a wasteful number, since it uses less digits than its factorization.

2040443421413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280684.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 2040443421413 its reverse (3141243440402), we get a palindrome (5181686861815).

The spelling of 2040443421413 in words is "two trillion, forty billion, four hundred forty-three million, four hundred twenty-one thousand, four hundred thirteen".