2000400204404 has 12 divisors (see below), whose sum is σ = 4000800408864. Its totient is φ = 857314373304.

The previous prime is 2000400204389. The next prime is 2000400204427. The reversal of 2000400204404 is 4044020040002.

2000400204404 is an admirable number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 35721432194 + ... + 35721432249.

It is an arithmetic number, because the mean of its divisors is an integer number (333400034072).

Almost surely, 2^{2000400204404} is an apocalyptic number.

It is an amenable number.

2000400204404 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2000400204404 is a wasteful number, since it uses less digits than its factorization.

2000400204404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71442864454 (or 71442864452 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 2000400204404 its reverse (4044020040002), we get a palindrome (6044420244406).

The spelling of 2000400204404 in words is "two trillion, four hundred million, two hundred four thousand, four hundred four".