4000080043 has 2 divisors, whose sum is σ = 4000080044. Its totient is φ = 4000080042.

The previous prime is 4000079999. The next prime is 4000080047. The reversal of 4000080043 is 3400800004.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4000080043 - 2¹³ = 4000071851 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4000080043.

It is not a weakly prime, because it can be changed into another prime (4000080047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2000040021 + 2000040022.

It is an arithmetic number, because the mean of its divisors is an integer number (2000040022).

Almost surely, 2^4000080043 is an apocalyptic number.

4000080043 is a deficient number, since it is larger than the sum of its proper divisors (1).

4000080043 is an equidigital number, since it uses as much as digits as its factorization.

4000080043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 4000080043 is about 63246.1859956788. The cubic root of 4000080043 is about 1587.4116402594.

Adding to 4000080043 its reverse (3400800004), we get a palindrome (7400880047).

The spelling of 4000080043 in words is "four billion, eighty thousand, forty-three".