239440728835 has 32 divisors (see below), whose sum is σ = 379300465152. Its totient is φ = 140481646080.

The previous prime is 239440728823. The next prime is 239440728881. The reversal of 239440728835 is 538827044932.

It is not a de Polignac number, because 239440728835 - 2¹¹ = 239440726787 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55).

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 31 ways as a sum of consecutive naturals, for example, 18285337 + ... + 18298426.

It is an arithmetic number, because the mean of its divisors is an integer number (11853139536).

Almost surely, 2^239440728835 is an apocalyptic number.

239440728835 is a deficient number, since it is larger than the sum of its proper divisors (139859736317).

239440728835 is a wasteful number, since it uses less digits than its factorization.

239440728835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36583803.

The product of its (nonzero) digits is 11612160, while the sum is 55.

It can be divided in two parts, 2394407 and 28835, that added together give a palindrome (2423242).

The spelling of 239440728835 in words is "two hundred thirty-nine billion, four hundred forty million, seven hundred twenty-eight thousand, eight hundred thirty-five".