4002087004 has 6 divisors (see below), whose sum is σ = 7003652264. Its totient is φ = 2001043500.

The previous prime is 4002086999. The next prime is 4002087049. The reversal of 4002087004 is 4007802004.

It is a self number, because there is not a number n which added to its sum of digits gives 4002087004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500260872 + ... + 500260879.

Almost surely, 2^4002087004 is an apocalyptic number.

It is an amenable number.

4002087004 is a deficient number, since it is larger than the sum of its proper divisors (3001565260).

4002087004 is a wasteful number, since it uses less digits than its factorization.

4002087004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000521755 (or 1000521753 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 4002087004 is about 63262.0502671230. The cubic root of 4002087004 is about 1587.6770799966.

Adding to 4002087004 its reverse (4007802004), we get a palindrome (8009889008).

The spelling of 4002087004 in words is "four billion, two million, eighty-seven thousand, four".