2440342013 has 4 divisors (see below), whose sum is σ = 2469743808. Its totient is φ = 2410940220.

The previous prime is 2440341991. The next prime is 2440342019. The reversal of 2440342013 is 3102430442.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3102430442 = 2 ⋅1551215221.

It is a cyclic number.

It is not a de Polignac number, because 2440342013 - 2¹⁰ = 2440340989 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 2440342013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2440342019) 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, 14700773 + ... + 14700938.

It is an arithmetic number, because the mean of its divisors is an integer number (617435952).

Almost surely, 2^2440342013 is an apocalyptic number.

It is an amenable number.

2440342013 is a deficient number, since it is larger than the sum of its proper divisors (29401795).

2440342013 is an equidigital number, since it uses as much as digits as its factorization.

2440342013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29401794.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 2440342013 is about 49399.8179450087. The cubic root of 2440342013 is about 1346.3259980828.

Adding to 2440342013 its reverse (3102430442), we get a palindrome (5542772455).

The spelling of 2440342013 in words is "two billion, four hundred forty million, three hundred forty-two thousand, thirteen".