239438995848 has 144 divisors (see below), whose sum is σ = 707734609920. Its totient is φ = 73092958848.

The previous prime is 239438995823. The next prime is 239438995849. The reversal of 239438995848 is 848599834932.

239438995848 is a `hidden beast` number, since 2 + 3 + 9 + 4 + 38 + 9 + 9 + 584 + 8 = 666.

It is a super-2 number, since 2×239438995848² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is not an unprimeable number, because it can be changed into a prime (239438995849) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1467865 + ... + 1622807.

It is an arithmetic number, because the mean of its divisors is an integer number (4914823680).

Almost surely, 2^239438995848 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 239438995848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (353867304960).

239438995848 is an abundant number, since it is smaller than the sum of its proper divisors (468295614072).

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

239438995848 is a wasteful number, since it uses less digits than its factorization.

239438995848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155108 (or 155088 counting only the distinct ones).

The product of its digits is 537477120, while the sum is 72.

The spelling of 239438995848 in words is "two hundred thirty-nine billion, four hundred thirty-eight million, nine hundred ninety-five thousand, eight hundred forty-eight".