238395357312 has 256 divisors, whose sum is σ = 735142625280. Its totient is φ = 67043819520.

The previous prime is 238395357257. The next prime is 238395357313. The reversal of 238395357312 is 213753593832.

It is not an unprimeable number, because it can be changed into a prime (238395357313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49798183 + ... + 49802969.

It is an arithmetic number, because the mean of its divisors is an integer number (2871650880).

Almost surely, 2^238395357312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 238395357312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (367571312640).

238395357312 is an abundant number, since it is smaller than the sum of its proper divisors (496747267968).

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

238395357312 is a wasteful number, since it uses less digits than its factorization.

238395357312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5099 (or 5087 counting only the distinct ones).

The product of its digits is 4082400, while the sum is 51.

The spelling of 238395357312 in words is "two hundred thirty-eight billion, three hundred ninety-five million, three hundred fifty-seven thousand, three hundred twelve".