2004644466 has 24 divisors (see below), whose sum is σ = 4738251024. Its totient is φ = 607467960.

The previous prime is 2004644443. The next prime is 2004644479. The reversal of 2004644466 is 6644464002.

It is a happy number.

2004644466 is a `hidden beast` number, since 2 + 0 + 0 + 4 + 644 + 4 + 6 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 2004644466.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5062036 + ... + 5062431.

It is an arithmetic number, because the mean of its divisors is an integer number (197427126).

Almost surely, 2^2004644466 is an apocalyptic number.

2004644466 is an abundant number, since it is smaller than the sum of its proper divisors (2733606558).

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

2004644466 is a wasteful number, since it uses less digits than its factorization.

2004644466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10124486 (or 10124483 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

The square root of 2004644466 is about 44773.2561469456. The cubic root of 2004644466 is about 1260.8955726739.

The spelling of 2004644466 in words is "two billion, four million, six hundred forty-four thousand, four hundred sixty-six".