204423440652 has 36 divisors (see below), whose sum is σ = 517425164256. Its totient is φ = 68050404000.

The previous prime is 204423440593. The next prime is 204423440659. The reversal of 204423440652 is 256044324402.

204423440652 is a `hidden beast` number, since 204 + 4 + 2 + 3 + 440 + 6 + 5 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (204423440659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3753543 + ... + 3807614.

Almost surely, 2^204423440652 is an apocalyptic number.

It is an amenable number.

204423440652 is an abundant number, since it is smaller than the sum of its proper divisors (313001723604).

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

204423440652 is a wasteful number, since it uses less digits than its factorization.

204423440652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7561918 (or 7561913 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 36.

The spelling of 204423440652 in words is "two hundred four billion, four hundred twenty-three million, four hundred forty thousand, six hundred fifty-two".