204540536512 has 28 divisors (see below), whose sum is σ = 437107061776. Its totient is φ = 94403324160.

The previous prime is 204540536507. The next prime is 204540536537. The reversal of 204540536512 is 215635045402.

It is a super-2 number, since 2×204540536512² (a number of 23 digits) contains 22 as substring.

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, 122920164 + ... + 122921827.

It is an arithmetic number, because the mean of its divisors is an integer number (15610966492).

Almost surely, 2^204540536512 is an apocalyptic number.

It is an amenable number.

204540536512 is an abundant number, since it is smaller than the sum of its proper divisors (232566525264).

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

204540536512 is a wasteful number, since it uses less digits than its factorization.

204540536512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245842016 (or 245842006 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 37.

The spelling of 204540536512 in words is "two hundred four billion, five hundred forty million, five hundred thirty-six thousand, five hundred twelve".