204253354452 has 48 divisors (see below), whose sum is σ = 544713466752. Its totient is φ = 58354045440.

The previous prime is 204253354441. The next prime is 204253354457. The reversal of 204253354452 is 254453352402.

It is a self number, because there is not a number n which added to its sum of digits gives 204253354452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204253354457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1257448 + ... + 1410560.

It is an arithmetic number, because the mean of its divisors is an integer number (11348197224).

Almost surely, 2^204253354452 is an apocalyptic number.

It is an amenable number.

204253354452 is an abundant number, since it is smaller than the sum of its proper divisors (340460112300).

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

204253354452 is a wasteful number, since it uses less digits than its factorization.

204253354452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169008 (or 169006 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 39.

The spelling of 204253354452 in words is "two hundred four billion, two hundred fifty-three million, three hundred fifty-four thousand, four hundred fifty-two".