238933833656 has 32 divisors (see below), whose sum is σ = 512025600000. Its totient is φ = 102395308896.

The previous prime is 238933833637. The next prime is 238933833661. The reversal of 238933833656 is 656338339832.

It is a junction number, because it is equal to n+sod(n) for n = 238933833595 and 238933833604.

It is a congruent number.

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, 1231145 + ... + 1411943.

It is an arithmetic number, because the mean of its divisors is an integer number (16000800000).

Almost surely, 2^238933833656 is an apocalyptic number.

It is an amenable number.

238933833656 is an abundant number, since it is smaller than the sum of its proper divisors (273091766344).

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

238933833656 is a wasteful number, since it uses less digits than its factorization.

238933833656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204411 (or 204407 counting only the distinct ones).

The product of its digits is 50388480, while the sum is 59.

The spelling of 238933833656 in words is "two hundred thirty-eight billion, nine hundred thirty-three million, eight hundred thirty-three thousand, six hundred fifty-six".