238601024042164 has 144 divisors (see below), whose sum is σ = 495959457710080. Its totient is φ = 98371463186880.

The previous prime is 238601024042137. The next prime is 238601024042179. The reversal of 238601024042164 is 461240420106832.

It is a self number, because there is not a number n which added to its sum of digits gives 238601024042164.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1089537199 + ... + 1089756169.

Almost surely, 2^{238601024042164} 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 238601024042164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247979728855040).

238601024042164 is an abundant number, since it is smaller than the sum of its proper divisors (257358433667916).

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

238601024042164 is a wasteful number, since it uses less digits than its factorization.

238601024042164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219378 (or 219329 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 43.

Adding to 238601024042164 its reverse (461240420106832), we get a palindrome (699841444148996).

The spelling of 238601024042164 in words is "two hundred thirty-eight trillion, six hundred one billion, twenty-four million, forty-two thousand, one hundred sixty-four".