204752471862728 has 128 divisors (see below), whose sum is σ = 436268820960000. Its totient is φ = 89563744714752.

The previous prime is 204752471862683. The next prime is 204752471862739. The reversal of 204752471862728 is 827268174257402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1150923608 + ... + 1151101496.

It is an arithmetic number, because the mean of its divisors is an integer number (3408350163750).

Almost surely, 2^{204752471862728} is an apocalyptic number.

It is an amenable number.

204752471862728 is an abundant number, since it is smaller than the sum of its proper divisors (231516349097272).

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

204752471862728 is a wasteful number, since it uses less digits than its factorization.

204752471862728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189319 (or 189315 counting only the distinct ones).

The product of its (nonzero) digits is 168591360, while the sum is 65.

The spelling of 204752471862728 in words is "two hundred four trillion, seven hundred fifty-two billion, four hundred seventy-one million, eight hundred sixty-two thousand, seven hundred twenty-eight".