4005404533 has 4 divisors (see below), whose sum is σ = 4313512588. Its totient is φ = 3697296480.

The previous prime is 4005404477. The next prime is 4005404587. The reversal of 4005404533 is 3354045004.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1493590609 + 2511813924 = 38647^2 + 50118^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4005404533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4005404633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154054008 + ... + 154054033.

It is an arithmetic number, because the mean of its divisors is an integer number (1078378147).

Almost surely, 2^4005404533 is an apocalyptic number.

It is an amenable number.

4005404533 is a deficient number, since it is larger than the sum of its proper divisors (308108055).

4005404533 is a wasteful number, since it uses less digits than its factorization.

4005404533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308108054.

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 4005404533 is about 63288.2653657058. The cubic root of 4005404533 is about 1588.1156603352.

Adding to 4005404533 its reverse (3354045004), we get a palindrome (7359449537).

The spelling of 4005404533 in words is "four billion, five million, four hundred four thousand, five hundred thirty-three".