238888476288 has 640 divisors, whose sum is σ = 894038682240. Its totient is φ = 62023864320.

The previous prime is 238888476263. The next prime is 238888476289. The reversal of 238888476288 is 882674888832.

238888476288 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (238888476289) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 96597420 + ... + 96599892.

It is an arithmetic number, because the mean of its divisors is an integer number (1396935441).

Almost surely, 2^238888476288 is an apocalyptic number.

238888476288 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 238888476288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (447019341120).

238888476288 is an abundant number, since it is smaller than the sum of its proper divisors (655150205952).

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

238888476288 is an equidigital number, since it uses as much as digits as its factorization.

238888476288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2539 (or 2496 counting only the distinct ones).

The product of its digits is 528482304, while the sum is 72.

The spelling of 238888476288 in words is "two hundred thirty-eight billion, eight hundred eighty-eight million, four hundred seventy-six thousand, two hundred eighty-eight".