238993811495208 has 1152 divisors, whose sum is σ = 869123030630400. Its totient is φ = 58579587763200.

The previous prime is 238993811495203. The next prime is 238993811495227. The reversal of 238993811495208 is 802594118399832.

238993811495208 is a `hidden beast` number, since 2 + 3 + 8 + 9 + 9 + 3 + 81 + 14 + 9 + 520 + 8 = 666.

238993811495208 is digitally balanced in base 2, 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 not an unprimeable number, because it can be changed into a prime (238993811495203) by changing a digit.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 15662474283 + ... + 15662489541.

It is an arithmetic number, because the mean of its divisors is an integer number (754447075200).

Almost surely, 2^{238993811495208} is an apocalyptic number.

238993811495208 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 238993811495208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (434561515315200).

238993811495208 is an abundant number, since it is smaller than the sum of its proper divisors (630129219135192).

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

238993811495208 is a wasteful number, since it uses less digits than its factorization.

238993811495208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15651 (or 15637 counting only the distinct ones).

The product of its (nonzero) digits is 268738560, while the sum is 72.

The spelling of 238993811495208 in words is "two hundred thirty-eight trillion, nine hundred ninety-three billion, eight hundred eleven million, four hundred ninety-five thousand, two hundred eight".