4040663809 has 8 divisors (see below), whose sum is σ = 4973124800. Its totient is φ = 3197008656.

The previous prime is 4040663789. The next prime is 4040663821. The reversal of 4040663809 is 9083660404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4040663809 - 2¹⁷ = 4040532737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4040663849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22201359 + ... + 22201540.

It is an arithmetic number, because the mean of its divisors is an integer number (621640600).

Almost surely, 2^4040663809 is an apocalyptic number.

It is an amenable number.

4040663809 is a deficient number, since it is larger than the sum of its proper divisors (932460991).

4040663809 is a wasteful number, since it uses less digits than its factorization.

4040663809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44402919.

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 4040663809 is about 63566.2159405450. The cubic root of 4040663809 is about 1592.7620739354.

The spelling of 4040663809 in words is "four billion, forty million, six hundred sixty-three thousand, eight hundred nine".