238569911872 has 56 divisors (see below), whose sum is σ = 507346646976. Its totient is φ = 111014880768.

The previous prime is 238569911863. The next prime is 238569911873. The reversal of 238569911872 is 278119965832.

It is a super-2 number, since 2×238569911872² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 238569911872.

It is not an unprimeable number, because it can be changed into a prime (238569911873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2135698 + ... + 2244625.

Almost surely, 2^238569911872 is an apocalyptic number.

It is an amenable number.

238569911872 is an abundant number, since it is smaller than the sum of its proper divisors (268776735104).

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

238569911872 is a wasteful number, since it uses less digits than its factorization.

238569911872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4380395 (or 4380385 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 61.

The spelling of 238569911872 in words is "two hundred thirty-eight billion, five hundred sixty-nine million, nine hundred eleven thousand, eight hundred seventy-two".