206148452238 has 48 divisors (see below), whose sum is σ = 449875161216. Its totient is φ = 68221270800.

The previous prime is 206148452221. The next prime is 206148452261. The reversal of 206148452238 is 832254841602.

206148452238 is a `hidden beast` number, since 2 + 0 + 6 + 14 + 84 + 522 + 38 = 666.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 206148452193 and 206148452202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4835845 + ... + 4878287.

It is an arithmetic number, because the mean of its divisors is an integer number (9372399192).

Almost surely, 2^206148452238 is an apocalyptic number.

206148452238 is an abundant number, since it is smaller than the sum of its proper divisors (243726708978).

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

206148452238 is a wasteful number, since it uses less digits than its factorization.

206148452238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44389 (or 44386 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 45.

The spelling of 206148452238 in words is "two hundred six billion, one hundred forty-eight million, four hundred fifty-two thousand, two hundred thirty-eight".