4000040004071 has 16 divisors (see below), whose sum is σ = 4137239991168. Its totient is φ = 3865151690400.

The previous prime is 4000040004053. The next prime is 4000040004113. The reversal of 4000040004071 is 1704000400004.

It is not a de Polignac number, because 4000040004071 - 2⁶ = 4000040004007 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 (4000040004271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16537676 + ... + 16777806.

It is an arithmetic number, because the mean of its divisors is an integer number (258577499448).

Almost surely, 2^{4000040004071} is an apocalyptic number.

4000040004071 is a deficient number, since it is larger than the sum of its proper divisors (137199987097).

4000040004071 is a wasteful number, since it uses less digits than its factorization.

4000040004071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244942.

The product of its (nonzero) digits is 448, while the sum is 20.

Adding to 4000040004071 its reverse (1704000400004), we get a palindrome (5704040404075).

The spelling of 4000040004071 in words is "four trillion, forty million, four thousand, seventy-one".