4040045369 has 2 divisors, whose sum is σ = 4040045370. Its totient is φ = 4040045368.

The previous prime is 4040045353. The next prime is 4040045389. The reversal of 4040045369 is 9635400404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3176449600 + 863595769 = 56360^2 + 29387^2 .

It is a cyclic number.

It is not a de Polignac number, because 4040045369 - 2⁴ = 4040045353 is a prime.

It is a super-2 number, since 2×4040045369² = 32643933167156692322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4040045329) 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, 2020022684 + 2020022685.

It is an arithmetic number, because the mean of its divisors is an integer number (2020022685).

Almost surely, 2^4040045369 is an apocalyptic number.

It is an amenable number.

4040045369 is a deficient number, since it is larger than the sum of its proper divisors (1).

4040045369 is an equidigital number, since it uses as much as digits as its factorization.

4040045369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 4040045369 is about 63561.3512206907. The cubic root of 4040045369 is about 1592.6808102221.

The spelling of 4040045369 in words is "four billion, forty million, forty-five thousand, three hundred sixty-nine".