2040268404613 has 4 divisors (see below), whose sum is σ = 2040293696140. Its totient is φ = 2040243113088.

The previous prime is 2040268404557. The next prime is 2040268404617. The reversal of 2040268404613 is 3164048620402.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1670383059489 + 369885345124 = 1292433^2 + 608182^2 .

It is a cyclic number.

It is not a de Polignac number, because 2040268404613 - 2⁹ = 2040268404101 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 (2040268404617) 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, 12524370 + ... + 12686227.

It is an arithmetic number, because the mean of its divisors is an integer number (510073424035).

Almost surely, 2^{2040268404613} is an apocalyptic number.

It is an amenable number.

2040268404613 is a deficient number, since it is larger than the sum of its proper divisors (25291527).

2040268404613 is an equidigital number, since it uses as much as digits as its factorization.

2040268404613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25291526.

The product of its (nonzero) digits is 221184, while the sum is 40.

The spelling of 2040268404613 in words is "two trillion, forty billion, two hundred sixty-eight million, four hundred four thousand, six hundred thirteen".