204542659264 has 28 divisors (see below), whose sum is σ = 405912044664. Its totient is φ = 102265608704.

The previous prime is 204542659253. The next prime is 204542659291. The reversal of 204542659264 is 462956245402.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1210092 + ... + 1368724.

It is an arithmetic number, because the mean of its divisors is an integer number (14496858738).

Almost surely, 2^204542659264 is an apocalyptic number.

It is an amenable number.

204542659264 is a deficient number, since it is larger than the sum of its proper divisors (201369385400).

204542659264 is a wasteful number, since it uses less digits than its factorization.

204542659264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178792 (or 178782 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 49.

The spelling of 204542659264 in words is "two hundred four billion, five hundred forty-two million, six hundred fifty-nine thousand, two hundred sixty-four".