238835495808 has 1440 divisors, whose sum is σ = 943624641960. Its totient is φ = 59403165696.

The previous prime is 238835495741. The next prime is 238835495863. The reversal of 238835495808 is 808594538832.

238835495808 is a `hidden beast` number, since 2 + 3 + 8 + 8 + 3 + 5 + 49 + 580 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 179 ways as a sum of consecutive naturals, for example, 5554313835 + ... + 5554313877.

Almost surely, 2^238835495808 is an apocalyptic number.

238835495808 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 238835495808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (471812320980).

238835495808 is an abundant number, since it is smaller than the sum of its proper divisors (704789146152).

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

238835495808 is a wasteful number, since it uses less digits than its factorization.

238835495808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154 (or 97 counting only the distinct ones).

The product of its (nonzero) digits is 66355200, while the sum is 63.

The spelling of 238835495808 in words is "two hundred thirty-eight billion, eight hundred thirty-five million, four hundred ninety-five thousand, eight hundred eight".