4002128204 has 6 divisors (see below), whose sum is σ = 7003724364. Its totient is φ = 2001064100.

The previous prime is 4002128191. The next prime is 4002128239. The reversal of 4002128204 is 4028212004.

It is a happy number.

4002128204 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×4002128204² = 32034060322504531232, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4002128204.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500266022 + ... + 500266029.

It is an arithmetic number, because the mean of its divisors is an integer number (1167287394).

Almost surely, 2^4002128204 is an apocalyptic number.

It is an amenable number.

4002128204 is a deficient number, since it is larger than the sum of its proper divisors (3001596160).

4002128204 is a wasteful number, since it uses less digits than its factorization.

4002128204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000532055 (or 1000532053 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 4002128204 is about 63262.3758959462. The cubic root of 4002128204 is about 1587.6825281599.

The spelling of 4002128204 in words is "four billion, two million, one hundred twenty-eight thousand, two hundred four".