204436673672 has 32 divisors (see below), whose sum is σ = 477903913920. Its totient is φ = 79650651840.

The previous prime is 204436673663. The next prime is 204436673677. The reversal of 204436673672 is 276376634402.

It is a self number, because there is not a number n which added to its sum of digits gives 204436673672.

It is not an unprimeable number, because it can be changed into a prime (204436673677) 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, 165938243 + ... + 165939474.

It is an arithmetic number, because the mean of its divisors is an integer number (14934497310).

Almost surely, 2^204436673672 is an apocalyptic number.

204436673672 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

204436673672 is an abundant number, since it is smaller than the sum of its proper divisors (273467240248).

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

204436673672 is a wasteful number, since it uses less digits than its factorization.

204436673672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331877741 (or 331877737 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 50.

The spelling of 204436673672 in words is "two hundred four billion, four hundred thirty-six million, six hundred seventy-three thousand, six hundred seventy-two".