238886735840 has 48 divisors (see below), whose sum is σ = 568813819392. Its totient is φ = 94802287104.

The previous prime is 238886735797. The next prime is 238886735863. The reversal of 238886735840 is 48537688832.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5857799 + ... + 5898438.

It is an arithmetic number, because the mean of its divisors is an integer number (11850287904).

Almost surely, 2^238886735840 is an apocalyptic number.

238886735840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

238886735840 is an abundant number, since it is smaller than the sum of its proper divisors (329927083552).

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

238886735840 is a wasteful number, since it uses less digits than its factorization.

238886735840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11756379 (or 11756371 counting only the distinct ones).

The product of its (nonzero) digits is 61931520, while the sum is 62.

The spelling of 238886735840 in words is "two hundred thirty-eight billion, eight hundred eighty-six million, seven hundred thirty-five thousand, eight hundred forty".