238670369856 has 168 divisors, whose sum is σ = 714627557280. Its totient is φ = 78975378432.

The previous prime is 238670369851. The next prime is 238670369863. The reversal of 238670369856 is 658963076832.

It is a junction number, because it is equal to n+sod(n) for n = 238670369793 and 238670369802.

It is not an unprimeable number, because it can be changed into a prime (238670369851) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2074615 + ... + 2186633.

It is an arithmetic number, because the mean of its divisors is an integer number (4253735460).

Almost surely, 2^238670369856 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 238670369856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (357313778640).

238670369856 is an abundant number, since it is smaller than the sum of its proper divisors (475957187424).

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

238670369856 is a wasteful number, since it uses less digits than its factorization.

238670369856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112183 (or 112161 counting only the distinct ones).

The product of its (nonzero) digits is 78382080, while the sum is 63.

The spelling of 238670369856 in words is "two hundred thirty-eight billion, six hundred seventy million, three hundred sixty-nine thousand, eight hundred fifty-six".