239442791728 has 20 divisors (see below), whose sum is σ = 530194753360. Its totient is φ = 102618339264.

The previous prime is 239442791677. The next prime is 239442791747. The reversal of 239442791728 is 827197244932.

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 3 ways as a sum of consecutive naturals, for example, 1068940923 + ... + 1068941146.

It is an arithmetic number, because the mean of its divisors is an integer number (26509737668).

Almost surely, 2^239442791728 is an apocalyptic number.

239442791728 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

239442791728 is an abundant number, since it is smaller than the sum of its proper divisors (290751961632).

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

239442791728 is a wasteful number, since it uses less digits than its factorization.

239442791728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2137882084 (or 2137882078 counting only the distinct ones).

The product of its digits is 12192768, while the sum is 58.

The spelling of 239442791728 in words is "two hundred thirty-nine billion, four hundred forty-two million, seven hundred ninety-one thousand, seven hundred twenty-eight".