204454511136272 has 20 divisors (see below), whose sum is σ = 396135258189180. Its totient is φ = 102226057410048.

The previous prime is 204454511136203. The next prime is 204454511136301. The reversal of 204454511136272 is 272631115454402.

It can be written as a sum of positive squares in 2 ways, for example, as 4561966287376 + 199892544848896 = 2135876^2 + 14138336^2 .

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, 73476293 + ... + 76208100.

It is an arithmetic number, because the mean of its divisors is an integer number (19806762909459).

Almost surely, 2^{204454511136272} is an apocalyptic number.

It is an amenable number.

204454511136272 is a deficient number, since it is larger than the sum of its proper divisors (191680747052908).

204454511136272 is a wasteful number, since it uses less digits than its factorization.

204454511136272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149769770 (or 149769764 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 47.

The spelling of 204454511136272 in words is "two hundred four trillion, four hundred fifty-four billion, five hundred eleven million, one hundred thirty-six thousand, two hundred seventy-two".