238618946688 has 64 divisors (see below), whose sum is σ = 638822507520. Its totient is φ = 78913336320.

The previous prime is 238618946641. The next prime is 238618946707. The reversal of 238618946688 is 886649816832.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2397703 + ... + 2495238.

It is an arithmetic number, because the mean of its divisors is an integer number (9981601680).

Almost surely, 2^238618946688 is an apocalyptic number.

It is an amenable number.

238618946688 is an abundant number, since it is smaller than the sum of its proper divisors (400203560832).

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

238618946688 is a wasteful number, since it uses less digits than its factorization.

238618946688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4893085 (or 4893073 counting only the distinct ones).

The product of its digits is 191102976, while the sum is 69.

The spelling of 238618946688 in words is "two hundred thirty-eight billion, six hundred eighteen million, nine hundred forty-six thousand, six hundred eighty-eight".