4004400204 has 36 divisors (see below), whose sum is σ = 11568267984. Its totient is φ = 1144114272.

The previous prime is 4004400139. The next prime is 4004400223. The reversal of 4004400204 is 4020044004.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

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 11 ways as a sum of consecutive naturals, for example, 7944987 + ... + 7945490.

Almost surely, 2^4004400204 is an apocalyptic number.

It is an amenable number.

4004400204 is an abundant number, since it is smaller than the sum of its proper divisors (7563867780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4004400204 is a wasteful number, since it uses less digits than its factorization.

4004400204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15890494 (or 15890489 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 4004400204 is about 63280.3303088724. The cubic root of 4004400204 is about 1587.9829126997.

Adding to 4004400204 its reverse (4020044004), we get a palindrome (8024444208).

The spelling of 4004400204 in words is "four billion, four million, four hundred thousand, two hundred four".