238642886508 has 48 divisors (see below), whose sum is σ = 620344915680. Its totient is φ = 70896559104.

The previous prime is 238642886477. The next prime is 238642886519. The reversal of 238642886508 is 805688246832.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26370685 + ... + 26379732.

It is an arithmetic number, because the mean of its divisors is an integer number (12923852410).

Almost surely, 2^238642886508 is an apocalyptic number.

It is an amenable number.

238642886508 is an abundant number, since it is smaller than the sum of its proper divisors (381702029172).

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

238642886508 is a wasteful number, since it uses less digits than its factorization.

238642886508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52750466 (or 52750464 counting only the distinct ones).

The product of its (nonzero) digits is 35389440, while the sum is 60.

The spelling of 238642886508 in words is "two hundred thirty-eight billion, six hundred forty-two million, eight hundred eighty-six thousand, five hundred eight".