204842402648 has 32 divisors (see below), whose sum is σ = 413736380400. Its totient is φ = 94516979328.

The previous prime is 204842402627. The next prime is 204842402707. The reversal of 204842402648 is 846204248402.

204842402648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 204842402599 and 204842402608.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 120215 + ... + 651257.

Almost surely, 2^204842402648 is an apocalyptic number.

It is an amenable number.

204842402648 is an abundant number, since it is smaller than the sum of its proper divisors (208893977752).

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

204842402648 is a wasteful number, since it uses less digits than its factorization.

204842402648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534771 (or 534767 counting only the distinct ones).

The product of its (nonzero) digits is 786432, while the sum is 44.

The spelling of 204842402648 in words is "two hundred four billion, eight hundred forty-two million, four hundred two thousand, six hundred forty-eight".