204136491358944 has 120 divisors (see below), whose sum is σ = 600378001866720. Its totient is φ = 68043428504064.

The previous prime is 204136491358901. The next prime is 204136491358951. The reversal of 204136491358944 is 449853194631402.

204136491358944 is a `hidden beast` number, since 2 + 0 + 4 + 1 + 3 + 6 + 4 + 9 + 1 + 3 + 589 + 44 = 666.

204136491358944 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 85286092 + ... + 87646964.

It is an arithmetic number, because the mean of its divisors is an integer number (5003150015556).

Almost surely, 2^{204136491358944} is an apocalyptic number.

204136491358944 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

204136491358944 is an abundant number, since it is smaller than the sum of its proper divisors (396241510507776).

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

204136491358944 is a wasteful number, since it uses less digits than its factorization.

204136491358944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2394254 (or 2394237 counting only the distinct ones).

The product of its (nonzero) digits is 89579520, while the sum is 63.

The spelling of 204136491358944 in words is "two hundred four trillion, one hundred thirty-six billion, four hundred ninety-one million, three hundred fifty-eight thousand, nine hundred forty-four".