204985675400 has 48 divisors (see below), whose sum is σ = 519918218640. Its totient is φ = 74540244800.

The previous prime is 204985675339. The next prime is 204985675471. The reversal of 204985675400 is 4576589402.

204985675400 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (50).

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 11 ways as a sum of consecutive naturals, for example, 46585454 + ... + 46589853.

It is an arithmetic number, because the mean of its divisors is an integer number (10831629555).

Almost surely, 2^204985675400 is an apocalyptic number.

204985675400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204985675400 is an abundant number, since it is smaller than the sum of its proper divisors (314932543240).

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

204985675400 is a wasteful number, since it uses less digits than its factorization.

204985675400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93175334 (or 93175325 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 50.

The spelling of 204985675400 in words is "two hundred four billion, nine hundred eighty-five million, six hundred seventy-five thousand, four hundred".