2040520413 has 4 divisors (see below), whose sum is σ = 2720693888. Its totient is φ = 1360346940.

The previous prime is 2040520411. The next prime is 2040520457. The reversal of 2040520413 is 3140250402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2040520413 - 2¹ = 2040520411 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2040520413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040520411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340086733 + ... + 340086738.

It is an arithmetic number, because the mean of its divisors is an integer number (680173472).

Almost surely, 2^2040520413 is an apocalyptic number.

It is an amenable number.

2040520413 is a deficient number, since it is larger than the sum of its proper divisors (680173475).

2040520413 is an equidigital number, since it uses as much as digits as its factorization.

2040520413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680173474.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 2040520413 is about 45172.1198639161. The cubic root of 2040520413 is about 1268.3729785852.

Adding to 2040520413 its reverse (3140250402), we get a palindrome (5180770815).

The spelling of 2040520413 in words is "two billion, forty million, five hundred twenty thousand, four hundred thirteen".