4045020055 has 4 divisors (see below), whose sum is σ = 4854024072. Its totient is φ = 3236016040.

The previous prime is 4045020043. The next prime is 4045020073. The reversal of 4045020055 is 5500205404.

4045020055 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-4045020055 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 404502001 + ... + 404502010.

It is an arithmetic number, because the mean of its divisors is an integer number (1213506018).

Almost surely, 2^4045020055 is an apocalyptic number.

4045020055 is a deficient number, since it is larger than the sum of its proper divisors (809004017).

4045020055 is an equidigital number, since it uses as much as digits as its factorization.

4045020055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809004016.

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 4045020055 is about 63600.4721287507. The cubic root of 4045020055 is about 1593.3342547929.

Adding to 4045020055 its reverse (5500205404), we get a palindrome (9545225459).

The spelling of 4045020055 in words is "four billion, forty-five million, twenty thousand, fifty-five".