2004404064406 has 24 divisors (see below), whose sum is σ = 3116712401712. Its totient is φ = 966754083600.

The previous prime is 2004404064329. The next prime is 2004404064407. The reversal of 2004404064406 is 6044604044002.

It is a super-2 number, since 2×2004404064406² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2004404064407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1078905 + ... + 2274388.

It is an arithmetic number, because the mean of its divisors is an integer number (129863016738).

Almost surely, 2^{2004404064406} is an apocalyptic number.

2004404064406 is a deficient number, since it is larger than the sum of its proper divisors (1112308337306).

2004404064406 is a wasteful number, since it uses less digits than its factorization.

2004404064406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3353668 (or 3353637 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 34.

The spelling of 2004404064406 in words is "two trillion, four billion, four hundred four million, sixty-four thousand, four hundred six".