4040455613 has 2 divisors, whose sum is σ = 4040455614. Its totient is φ = 4040455612.

The previous prime is 4040455591. The next prime is 4040455631. The reversal of 4040455613 is 3165540404.

Together with next prime (4040455631) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3212282329 + 828173284 = 56677^2 + 28778^2 .

It is a cyclic number.

It is not a de Polignac number, because 4040455613 - 2¹⁶ = 4040390077 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4040455613.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4040455633) 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, 2020227806 + 2020227807.

It is an arithmetic number, because the mean of its divisors is an integer number (2020227807).

Almost surely, 2^4040455613 is an apocalyptic number.

It is an amenable number.

4040455613 is a deficient number, since it is larger than the sum of its proper divisors (1).

4040455613 is an equidigital number, since it uses as much as digits as its factorization.

4040455613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 4040455613 is about 63564.5782885405. The cubic root of 4040455613 is about 1592.7347176721.

The spelling of 4040455613 in words is "four billion, forty million, four hundred fifty-five thousand, six hundred thirteen".