202004040004 has 48 divisors (see below), whose sum is σ = 402847361280. Its totient is φ = 87922961280.

The previous prime is 202004039983. The next prime is 202004040011. The reversal of 202004040004 is 400040400202.

It is a self number, because there is not a number n which added to its sum of digits gives 202004040004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1104519 + ... + 1274350.

It is an arithmetic number, because the mean of its divisors is an integer number (8392653360).

Almost surely, 2^202004040004 is an apocalyptic number.

It is an amenable number.

202004040004 is a deficient number, since it is larger than the sum of its proper divisors (200843321276).

202004040004 is a wasteful number, since it uses less digits than its factorization.

202004040004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2378980 (or 2378978 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 202004040004 its reverse (400040400202), we get a palindrome (602044440206).

The spelling of 202004040004 in words is "two hundred two billion, four million, forty thousand, four".