4040494517 has 4 divisors (see below), whose sum is σ = 4078256256. Its totient is φ = 4002732780.

The previous prime is 4040494501. The next prime is 4040494529. The reversal of 4040494517 is 7154940404.

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 a cyclic number.

It is not a de Polignac number, because 4040494517 - 2⁴ = 4040494501 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 (4040494547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18880709 + ... + 18880922.

It is an arithmetic number, because the mean of its divisors is an integer number (1019564064).

Almost surely, 2^4040494517 is an apocalyptic number.

It is an amenable number.

4040494517 is a deficient number, since it is larger than the sum of its proper divisors (37761739).

4040494517 is a wasteful number, since it uses less digits than its factorization.

4040494517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37761738.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 4040494517 is about 63564.8843072966. The cubic root of 4040494517 is about 1592.7398296000.

The spelling of 4040494517 in words is "four billion, forty million, four hundred ninety-four thousand, five hundred seventeen".