238685823280 has 40 divisors (see below), whose sum is σ = 556301448000. Its totient is φ = 95240882688.

The previous prime is 238685823263. The next prime is 238685823283. The reversal of 238685823280 is 82328586832.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (238685823283) 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, 3614680 + ... + 3680119.

It is an arithmetic number, because the mean of its divisors is an integer number (13907536200).

Almost surely, 2^238685823280 is an apocalyptic number.

238685823280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

238685823280 is an abundant number, since it is smaller than the sum of its proper divisors (317615624720).

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

238685823280 is a wasteful number, since it uses less digits than its factorization.

238685823280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7295221 (or 7295215 counting only the distinct ones).

The product of its (nonzero) digits is 8847360, while the sum is 55.

The spelling of 238685823280 in words is "two hundred thirty-eight billion, six hundred eighty-five million, eight hundred twenty-three thousand, two hundred eighty".