238450475256 has 64 divisors (see below), whose sum is σ = 681811361280. Its totient is φ = 68076278400.

The previous prime is 238450475233. The next prime is 238450475257. The reversal of 238450475256 is 652574054832.

It is a junction number, because it is equal to n+sod(n) for n = 238450475199 and 238450475208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238450475257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 326916 + ... + 764051.

It is an arithmetic number, because the mean of its divisors is an integer number (10653302520).

Almost surely, 2^238450475256 is an apocalyptic number.

It is an amenable number.

238450475256 is an abundant number, since it is smaller than the sum of its proper divisors (443360886024).

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

238450475256 is a wasteful number, since it uses less digits than its factorization.

238450475256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092284 (or 1092280 counting only the distinct ones).

The product of its (nonzero) digits is 8064000, while the sum is 51.

The spelling of 238450475256 in words is "two hundred thirty-eight billion, four hundred fifty million, four hundred seventy-five thousand, two hundred fifty-six".