238278806352 has 160 divisors (see below), whose sum is σ = 720880051200. Its totient is φ = 75148290432.

The previous prime is 238278806347. The next prime is 238278806407. The reversal of 238278806352 is 253608872832.

238278806352 is a `hidden beast` number, since 238 + 278 + 80 + 63 + 5 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6441253 + ... + 6478139.

It is an arithmetic number, because the mean of its divisors is an integer number (4505500320).

Almost surely, 2^238278806352 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 238278806352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (360440025600).

238278806352 is an abundant number, since it is smaller than the sum of its proper divisors (482601244848).

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

238278806352 is a wasteful number, since it uses less digits than its factorization.

238278806352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37710 (or 37698 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 54.

The spelling of 238278806352 in words is "two hundred thirty-eight billion, two hundred seventy-eight million, eight hundred six thousand, three hundred fifty-two".