4040816047 has 4 divisors (see below), whose sum is σ = 4041201976. Its totient is φ = 4040430120.

The previous prime is 4040815981. The next prime is 4040816077. The reversal of 4040816047 is 7406180404.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4040816047 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 (4040816077) 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, 176808 + ... + 198349.

It is an arithmetic number, because the mean of its divisors is an integer number (1010300494).

Almost surely, 2^4040816047 is an apocalyptic number.

4040816047 is a deficient number, since it is larger than the sum of its proper divisors (385929).

4040816047 is a wasteful number, since it uses less digits than its factorization.

4040816047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385928.

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 4040816047 is about 63567.4134049829. The cubic root of 4040816047 is about 1592.7820769084.

The spelling of 4040816047 in words is "four billion, forty million, eight hundred sixteen thousand, forty-seven".