238359907494 has 128 divisors (see below), whose sum is σ = 562136371200. Its totient is φ = 74734513920.

The previous prime is 238359907481. The next prime is 238359907517. The reversal of 238359907494 is 494709953832.

238359907494 is a `hidden beast` number, since 2 + 3 + 8 + 3 + 59 + 90 + 7 + 494 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 100276434 + ... + 100278810.

It is an arithmetic number, because the mean of its divisors is an integer number (4391690400).

Almost surely, 2^238359907494 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 238359907494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281068185600).

238359907494 is an abundant number, since it is smaller than the sum of its proper divisors (323776463706).

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

238359907494 is a wasteful number, since it uses less digits than its factorization.

238359907494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4075 (or 4069 counting only the distinct ones).

The product of its (nonzero) digits is 58786560, while the sum is 63.

The spelling of 238359907494 in words is "two hundred thirty-eight billion, three hundred fifty-nine million, nine hundred seven thousand, four hundred ninety-four".