239005873840 has 20 divisors (see below), whose sum is σ = 555688656864. Its totient is φ = 95602349504.

The previous prime is 239005873811. The next prime is 239005873889. The reversal of 239005873840 is 48378500932.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1493786632 + ... + 1493786791.

Almost surely, 2^239005873840 is an apocalyptic number.

239005873840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

239005873840 is an abundant number, since it is smaller than the sum of its proper divisors (316682783024).

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

239005873840 is a wasteful number, since it uses less digits than its factorization.

239005873840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2987573436 (or 2987573430 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 239005873840 in words is "two hundred thirty-nine billion, five million, eight hundred seventy-three thousand, eight hundred forty".