204655234512 has 40 divisors (see below), whose sum is σ = 529618666720. Its totient is φ = 68098930560.

The previous prime is 204655234481. The next prime is 204655234517. The reversal of 204655234512 is 215432556402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204655234517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3706087 + ... + 3760902.

It is an arithmetic number, because the mean of its divisors is an integer number (13240466668).

Almost surely, 2^204655234512 is an apocalyptic number.

It is an amenable number.

204655234512 is an abundant number, since it is smaller than the sum of its proper divisors (324963432208).

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

204655234512 is a wasteful number, since it uses less digits than its factorization.

204655234512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7467571 (or 7467565 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 39.

The spelling of 204655234512 in words is "two hundred four billion, six hundred fifty-five million, two hundred thirty-four thousand, five hundred twelve".