204645030688 has 48 divisors (see below), whose sum is σ = 460873143360. Its totient is φ = 87624665856.

The previous prime is 204645030673. The next prime is 204645030701. The reversal of 204645030688 is 886030546402.

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, 173098 + ... + 662761.

It is an arithmetic number, because the mean of its divisors is an integer number (9601523820).

Almost surely, 2^204645030688 is an apocalyptic number.

204645030688 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

204645030688 is an abundant number, since it is smaller than the sum of its proper divisors (256228112672).

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

204645030688 is a wasteful number, since it uses less digits than its factorization.

204645030688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836969 (or 836961 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 46.

The spelling of 204645030688 in words is "two hundred four billion, six hundred forty-five million, thirty thousand, six hundred eighty-eight".