238766404667832 has 48 divisors (see below), whose sum is σ = 646660267498440. Its totient is φ = 79588647112128.

The previous prime is 238766404667743. The next prime is 238766404667873.

238766404667832 is a `hidden beast` number, since 2 + 3 + 8 + 7 + 6 + 64 + 0 + 466 + 78 + 32 = 666.

238766404667832 is nontrivially palindromic in base 10.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37738903 + ... + 43609145.

Almost surely, 2^{238766404667832} is an apocalyptic number.

It is an amenable number.

238766404667832 is an abundant number, since it is smaller than the sum of its proper divisors (407893862830608).

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

238766404667832 is a wasteful number, since it uses less digits than its factorization.

238766404667832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6435172 (or 6435165 counting only the distinct ones).

The product of its (nonzero) digits is 2341011456, while the sum is 72.

The spelling of 238766404667832 in words is "two hundred thirty-eight trillion, seven hundred sixty-six billion, four hundred four million, six hundred sixty-seven thousand, eight hundred thirty-two".