204543551045444 has 24 divisors (see below), whose sum is σ = 385514570197848. Its totient is φ = 94397700257280.

The previous prime is 204543551045369. The next prime is 204543551045461. The reversal of 204543551045444 is 444540155345402.

It can be written as a sum of positive squares in 4 ways, for example, as 24592057885444 + 179951493160000 = 4959038^2 + 13414600^2 .

It is a junction number, because it is equal to n+sod(n) for n = 204543551045392 and 204543551045401.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145452047 + ... + 146851574.

It is an arithmetic number, because the mean of its divisors is an integer number (16063107091577).

Almost surely, 2^{204543551045444} is an apocalyptic number.

It is an amenable number.

204543551045444 is a deficient number, since it is larger than the sum of its proper divisors (180971019152404).

204543551045444 is a wasteful number, since it uses less digits than its factorization.

204543551045444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292317095 (or 292317093 counting only the distinct ones).

The product of its (nonzero) digits is 15360000, while the sum is 50.

The spelling of 204543551045444 in words is "two hundred four trillion, five hundred forty-three billion, five hundred fifty-one million, forty-five thousand, four hundred forty-four".