244666404 has 36 divisors (see below), whose sum is σ = 625921296. Its totient is φ = 80571888.

The previous prime is 244666403. The next prime is 244666481. The reversal of 244666404 is 404666442.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (244666403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37954 + ... + 43929.

Almost surely, 2^244666404 is an apocalyptic number.

It is an amenable number.

244666404 is an abundant number, since it is smaller than the sum of its proper divisors (381254892).

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

244666404 is a wasteful number, since it uses less digits than its factorization.

244666404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81976 (or 81971 counting only the distinct ones).

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

The square root of 244666404 is about 15641.8158792386. The cubic root of 244666404 is about 625.4483430514.

The spelling of 244666404 in words is "two hundred forty-four million, six hundred sixty-six thousand, four hundred four".