238417218874672 has 40 divisors (see below), whose sum is σ = 462496855449600. Its totient is φ = 119063278596672.

The previous prime is 238417218874663. The next prime is 238417218874673. The reversal of 238417218874672 is 276478812714832.

It is a Smith number, since the sum of its digits (70) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (238417218874673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41191729 + ... + 46621807.

It is an arithmetic number, because the mean of its divisors is an integer number (11562421386240).

Almost surely, 2^{238417218874672} is an apocalyptic number.

It is an amenable number.

238417218874672 is a deficient number, since it is larger than the sum of its proper divisors (224079636574928).

238417218874672 is a wasteful number, since it uses less digits than its factorization.

238417218874672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5433433 (or 5433427 counting only the distinct ones).

The product of its digits is 404619264, while the sum is 70.

The spelling of 238417218874672 in words is "two hundred thirty-eight trillion, four hundred seventeen billion, two hundred eighteen million, eight hundred seventy-four thousand, six hundred seventy-two".