4005000002 has 16 divisors (see below), whose sum is σ = 6141070080. Its totient is φ = 1958056608.

The previous prime is 4004999993. The next prime is 4005000023. The reversal of 4005000002 is 2000005004.

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 7 ways as a sum of consecutive naturals, for example, 83699 + ... + 122537.

It is an arithmetic number, because the mean of its divisors is an integer number (383816880).

Almost surely, 2^4005000002 is an apocalyptic number.

4005000002 is a deficient number, since it is larger than the sum of its proper divisors (2136070078).

4005000002 is a wasteful number, since it uses less digits than its factorization.

4005000002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39985.

The product of its (nonzero) digits is 40, while the sum is 11.

The square root of 4005000002 is about 63285.0693449885. The cubic root of 4005000002 is about 1588.0621939383.

Adding to 4005000002 its reverse (2000005004), we get a palindrome (6005005006).

The spelling of 4005000002 in words is "four billion, five million, two", and thus it is an aban number.