238385633765850 has 36 divisors (see below), whose sum is σ = 640462736052126. Its totient is φ = 63569502337440.

The previous prime is 238385633765809. The next prime is 238385633765861. The reversal of 238385633765850 is 58567336583832.

238385633765850 is a `hidden beast` number, since 2 + 3 + 8 + 3 + 8 + 5 + 6 + 3 + 37 + 6 + 585 + 0 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 188682668464761 + 49702965301089 = 13736181^2 + 7050033^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 264872925957 + ... + 264872926856.

Almost surely, 2^{238385633765850} is an apocalyptic number.

238385633765850 is an abundant number, since it is smaller than the sum of its proper divisors (402077102286276).

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

238385633765850 is a wasteful number, since it uses less digits than its factorization.

238385633765850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529745852831 (or 529745852823 counting only the distinct ones).

The product of its (nonzero) digits is 2612736000, while the sum is 72.

The spelling of 238385633765850 in words is "two hundred thirty-eight trillion, three hundred eighty-five billion, six hundred thirty-three million, seven hundred sixty-five thousand, eight hundred fifty".