8040039019 has 4 divisors (see below), whose sum is σ = 8056023696. Its totient is φ = 8024054344.

The previous prime is 8040039017. The next prime is 8040039023. The reversal of 8040039019 is 9109300408.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8040039019 - 2¹ = 8040039017 is a prime.

It is a super-2 number, since 2×8040039019² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8040039011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7991584 + ... + 7992589.

It is an arithmetic number, because the mean of its divisors is an integer number (2014005924).

Almost surely, 2^8040039019 is an apocalyptic number.

8040039019 is a deficient number, since it is larger than the sum of its proper divisors (15984677).

8040039019 is a wasteful number, since it uses less digits than its factorization.

8040039019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15984676.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 8040039019 is about 89666.2646651459. The cubic root of 8040039019 is about 2003.3310339431.

The spelling of 8040039019 in words is "eight billion, forty million, thirty-nine thousand, nineteen".