204307984494460 has 192 divisors, whose sum is σ = 535903924469760. Its totient is φ = 63562816800000.

The previous prime is 204307984494437. The next prime is 204307984494577. The reversal of 204307984494460 is 64494489703402.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 204307984494392 and 204307984494401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2492401275 + ... + 2492483245.

It is an arithmetic number, because the mean of its divisors is an integer number (2791166273280).

Almost surely, 2^{204307984494460} is an apocalyptic number.

204307984494460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204307984494460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267951962234880).

204307984494460 is an abundant number, since it is smaller than the sum of its proper divisors (331595939975300).

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

204307984494460 is a wasteful number, since it uses less digits than its factorization.

204307984494460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84968 (or 84966 counting only the distinct ones).

The product of its (nonzero) digits is 167215104, while the sum is 64.

The spelling of 204307984494460 in words is "two hundred four trillion, three hundred seven billion, nine hundred eighty-four million, four hundred ninety-four thousand, four hundred sixty".