646244000204 has 24 divisors (see below), whose sum is σ = 1298672155200. Its totient is φ = 278286889680.

The previous prime is 646244000197. The next prime is 646244000291. The reversal of 646244000204 is 402000442646.

646244000204 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 386508734 + ... + 386510405.

It is an arithmetic number, because the mean of its divisors is an integer number (54111339800).

Almost surely, 2^646244000204 is an apocalyptic number.

It is an amenable number.

646244000204 is an abundant number, since it is smaller than the sum of its proper divisors (652428154996).

646244000204 is a wasteful number, since it uses less digits than its factorization.

646244000204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773019173 (or 773019171 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

The spelling of 646244000204 in words is "six hundred forty-six billion, two hundred forty-four million, two hundred four", and thus it is an aban number.