4040404889 has 2 divisors, whose sum is σ = 4040404890. Its totient is φ = 4040404888.

The previous prime is 4040404883. The next prime is 4040404897. The reversal of 4040404889 is 9884040404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2754465289 + 1285939600 = 52483^2 + 35860^2 .

It is a cyclic number.

It is not a de Polignac number, because 4040404889 - 2¹⁶ = 4040339353 is a prime.

It is not a weakly prime, because it can be changed into another prime (4040404883) 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, 2020202444 + 2020202445.

It is an arithmetic number, because the mean of its divisors is an integer number (2020202445).

Almost surely, 2^4040404889 is an apocalyptic number.

It is an amenable number.

4040404889 is a deficient number, since it is larger than the sum of its proper divisors (1).

4040404889 is an equidigital number, since it uses as much as digits as its factorization.

4040404889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 147456, while the sum is 41.

The square root of 4040404889 is about 63564.1792914846. The cubic root of 4040404889 is about 1592.7280525646.

The spelling of 4040404889 in words is "four billion, forty million, four hundred four thousand, eight hundred eighty-nine".