4004020004205 has 32 divisors (see below), whose sum is σ = 6909898109184. Its totient is φ = 1968163094016.

The previous prime is 4004020004161. The next prime is 4004020004269. The reversal of 4004020004205 is 5024000204004.

It is not a de Polignac number, because 4004020004205 - 2¹² = 4004020000109 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15742024 + ... + 15994353.

It is an arithmetic number, because the mean of its divisors is an integer number (215934315912).

Almost surely, 2^{4004020004205} is an apocalyptic number.

It is an amenable number.

4004020004205 is a deficient number, since it is larger than the sum of its proper divisors (2905878104979).

4004020004205 is a wasteful number, since it uses less digits than its factorization.

4004020004205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31737045.

The product of its (nonzero) digits is 1280, while the sum is 21.

Adding to 4004020004205 its reverse (5024000204004), we get a palindrome (9028020208209).

The spelling of 4004020004205 in words is "four trillion, four billion, twenty million, four thousand, two hundred five".