4040400044071 has 2 divisors, whose sum is σ = 4040400044072. Its totient is φ = 4040400044070.

The previous prime is 4040400044039. The next prime is 4040400044167. The reversal of 4040400044071 is 1704400040404.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4040400044071 - 2⁵ = 4040400044039 is a prime.

It is a super-2 number, since 2×4040400044071² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4040400044171) 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 as a sum of consecutive naturals, namely, 2020200022035 + 2020200022036.

It is an arithmetic number, because the mean of its divisors is an integer number (2020200022036).

Almost surely, 2^{4040400044071} is an apocalyptic number.

4040400044071 is a deficient number, since it is larger than the sum of its proper divisors (1).

4040400044071 is an equidigital number, since it uses as much as digits as its factorization.

4040400044071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7168, while the sum is 28.

Adding to 4040400044071 its reverse (1704400040404), we get a palindrome (5744800084475).

The spelling of 4040400044071 in words is "four trillion, forty billion, four hundred million, forty-four thousand, seventy-one".