159839441028 has 18 divisors (see below), whose sum is σ = 404038587134. Its totient is φ = 53279813664.

The previous prime is 159839441017. The next prime is 159839441051. The reversal of 159839441028 is 820144938951.

It is a happy number.

159839441028 is a `hidden beast` number, since 1 + 598 + 3 + 9 + 4 + 41 + 0 + 2 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 112525360704 + 47314080324 = 335448^2 + 217518^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2219992201 + ... + 2219992272.

Almost surely, 2^159839441028 is an apocalyptic number.

159839441028 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

159839441028 is an abundant number, since it is smaller than the sum of its proper divisors (244199146106).

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

159839441028 is a wasteful number, since it uses less digits than its factorization.

159839441028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4439984483 (or 4439984478 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 54.

The spelling of 159839441028 in words is "one hundred fifty-nine billion, eight hundred thirty-nine million, four hundred forty-one thousand, twenty-eight".