4040042513 has 24 divisors (see below), whose sum is σ = 4447058112. Its totient is φ = 3668029248.

The previous prime is 4040042477. The next prime is 4040042569. The reversal of 4040042513 is 3152400404.

It is not a de Polignac number, because 4040042513 - 2¹⁶ = 4039976977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4040242513) 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 23 ways as a sum of consecutive naturals, for example, 4109420 + ... + 4110402.

It is an arithmetic number, because the mean of its divisors is an integer number (185294088).

Almost surely, 2^4040042513 is an apocalyptic number.

It is an amenable number.

4040042513 is a deficient number, since it is larger than the sum of its proper divisors (407015599).

4040042513 is a wasteful number, since it uses less digits than its factorization.

4040042513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1385 (or 1372 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 4040042513 is about 63561.3287542040. The cubic root of 4040042513 is about 1592.6804349212.

Adding to 4040042513 its reverse (3152400404), we get a palindrome (7192442917).

The spelling of 4040042513 in words is "four billion, forty million, forty-two thousand, five hundred thirteen".