204828873650 has 24 divisors (see below), whose sum is σ = 384753810564. Its totient is φ = 81120344000.

The previous prime is 204828873649. The next prime is 204828873659. The reversal of 204828873650 is 56378828402.

It can be written as a sum of positive squares in 6 ways, for example, as 151735958089 + 53092915561 = 389533^2 + 230419^2 .

It is a junction number, because it is equal to n+sod(n) for n = 204828873592 and 204828873601.

It is not an unprimeable number, because it can be changed into a prime (204828873659) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20275037 + ... + 20285136.

Almost surely, 2^204828873650 is an apocalyptic number.

204828873650 is a deficient number, since it is larger than the sum of its proper divisors (179924936914).

204828873650 is a wasteful number, since it uses less digits than its factorization.

204828873650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40560286 (or 40560281 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 53.

The spelling of 204828873650 in words is "two hundred four billion, eight hundred twenty-eight million, eight hundred seventy-three thousand, six hundred fifty".