4005424591 has 12 divisors (see below), whose sum is σ = 4687965912. Its totient is φ = 3412151568.

The previous prime is 4005424567. The next prime is 4005424649. The reversal of 4005424591 is 1954245004.

4005424591 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4005424591 - 2⁵ = 4005424559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4005424531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 242760 + ... + 258733.

It is an arithmetic number, because the mean of its divisors is an integer number (390663826).

Almost surely, 2^4005424591 is an apocalyptic number.

4005424591 is a deficient number, since it is larger than the sum of its proper divisors (682541321).

4005424591 is a wasteful number, since it uses less digits than its factorization.

4005424591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501670 (or 501663 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 4005424591 is about 63288.4238309029. The cubic root of 4005424591 is about 1588.1183112843.

Adding to 4005424591 its reverse (1954245004), we get a palindrome (5959669595).

The spelling of 4005424591 in words is "four billion, five million, four hundred twenty-four thousand, five hundred ninety-one".