2440041413 has 4 divisors (see below), whose sum is σ = 2444156748. Its totient is φ = 2435926080.

The previous prime is 2440041397. The next prime is 2440041449. The reversal of 2440041413 is 3141400442.

It is a happy number.

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 854568289 + 1585473124 = 29233^2 + 39818^2 .

It is a cyclic number.

It is not a de Polignac number, because 2440041413 - 2⁴ = 2440041397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2440041113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2056778 + ... + 2057963.

It is an arithmetic number, because the mean of its divisors is an integer number (611039187).

Almost surely, 2^2440041413 is an apocalyptic number.

It is an amenable number.

2440041413 is a deficient number, since it is larger than the sum of its proper divisors (4115335).

2440041413 is an equidigital number, since it uses as much as digits as its factorization.

2440041413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4115334.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 2440041413 is about 49396.7753299747. The cubic root of 2440041413 is about 1346.2707159118.

Adding to 2440041413 its reverse (3141400442), we get a palindrome (5581441855).

The spelling of 2440041413 in words is "two billion, four hundred forty million, forty-one thousand, four hundred thirteen".