4005090005 has 16 divisors (see below), whose sum is σ = 5543091840. Its totient is φ = 2721148992.

The previous prime is 4005089987. The next prime is 4005090029. The reversal of 4005090005 is 5000905004.

It is a cyclic number.

It is not a de Polignac number, because 4005090005 - 2⁶ = 4005089941 is a prime.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 521099 + ... + 528728.

It is an arithmetic number, because the mean of its divisors is an integer number (346443240).

Almost surely, 2^4005090005 is an apocalyptic number.

It is an amenable number.

4005090005 is a deficient number, since it is larger than the sum of its proper divisors (1538001835).

4005090005 is a wasteful number, since it uses less digits than its factorization.

4005090005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1049948.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 4005090005 is about 63285.7804328903. The cubic root of 4005090005 is about 1588.0740898427.

Adding to 4005090005 its reverse (5000905004), we get a palindrome (9005995009).

The spelling of 4005090005 in words is "four billion, five million, ninety thousand, five".