238732785642 has 16 divisors (see below), whose sum is σ = 514193692320. Its totient is φ = 73456241712.

The previous prime is 238732785623. The next prime is 238732785653. The reversal of 238732785642 is 246587237832.

238732785642 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1530338292 + ... + 1530338447.

It is an arithmetic number, because the mean of its divisors is an integer number (32137105770).

Almost surely, 2^238732785642 is an apocalyptic number.

238732785642 is an abundant number, since it is smaller than the sum of its proper divisors (275460906678).

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

238732785642 is a wasteful number, since it uses less digits than its factorization.

238732785642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3060676757.

The product of its digits is 27095040, while the sum is 57.

The spelling of 238732785642 in words is "two hundred thirty-eight billion, seven hundred thirty-two million, seven hundred eighty-five thousand, six hundred forty-two".