204190544 has 10 divisors (see below), whose sum is σ = 395619210. Its totient is φ = 102095264.

The previous prime is 204190543. The next prime is 204190559. The reversal of 204190544 is 445091402.

It can be written as a sum of positive squares in only one way, i.e., 195664144 + 8526400 = 13988^2 + 2920^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204190543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6380939 + ... + 6380970.

It is an arithmetic number, because the mean of its divisors is an integer number (39561921).

Almost surely, 2^204190544 is an apocalyptic number.

It is an amenable number.

204190544 is a deficient number, since it is larger than the sum of its proper divisors (191428666).

204190544 is a wasteful number, since it uses less digits than its factorization.

204190544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12761917 (or 12761911 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 204190544 is about 14289.5256744232. The cubic root of 204190544 is about 588.8597569756.

The spelling of 204190544 in words is "two hundred four million, one hundred ninety thousand, five hundred forty-four".