4002003604 has 12 divisors (see below), whose sum is σ = 7174323828. Its totient is φ = 1952196800.

The previous prime is 4002003587. The next prime is 4002003631. The reversal of 4002003604 is 4063002004.

It can be written as a sum of positive squares in 2 ways, for example, as 223442704 + 3778560900 = 14948^2 + 61470^2 .

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, 12201067 + ... + 12201394.

It is an arithmetic number, because the mean of its divisors is an integer number (597860319).

Almost surely, 2^4002003604 is an apocalyptic number.

It is an amenable number.

4002003604 is a deficient number, since it is larger than the sum of its proper divisors (3172320224).

4002003604 is a wasteful number, since it uses less digits than its factorization.

4002003604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24402506 (or 24402504 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 4002003604 is about 63261.3911007338. The cubic root of 4002003604 is about 1587.6660513184. Note that the first 3 decimals are identical.

Adding to 4002003604 its reverse (4063002004), we get a palindrome (8065005608).

The spelling of 4002003604 in words is "four billion, two million, three thousand, six hundred four".