205493865048 has 48 divisors (see below), whose sum is σ = 562799226600. Its totient is φ = 67728312960.

The previous prime is 205493865043. The next prime is 205493865133. The reversal of 205493865048 is 840568394502.

205493865048 is a `hidden beast` number, since 2 + 0 + 54 + 9 + 3 + 86 + 504 + 8 = 666.

205493865048 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 205493864985 and 205493865003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205493865041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16027758 + ... + 16040573.

Almost surely, 2^205493865048 is an apocalyptic number.

It is an amenable number.

205493865048 is an abundant number, since it is smaller than the sum of its proper divisors (357305361552).

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

205493865048 is a wasteful number, since it uses less digits than its factorization.

205493865048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32068432 (or 32068425 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 54.

The spelling of 205493865048 in words is "two hundred five billion, four hundred ninety-three million, eight hundred sixty-five thousand, forty-eight".