159908727240 has 384 divisors, whose sum is σ = 573128524800. Its totient is φ = 38490439680.

The previous prime is 159908727239. The next prime is 159908727287. The reversal of 159908727240 is 42727809951.

159908727240 is a `hidden beast` number, since 1 + 599 + 0 + 8 + 7 + 2 + 7 + 2 + 40 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 21434631 + ... + 21442089.

It is an arithmetic number, because the mean of its divisors is an integer number (1492522200).

Almost surely, 2^159908727240 is an apocalyptic number.

159908727240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 159908727240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286564262400).

159908727240 is an abundant number, since it is smaller than the sum of its proper divisors (413219797560).

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

159908727240 is a wasteful number, since it uses less digits than its factorization.

159908727240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7637 (or 7630 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 54.

The spelling of 159908727240 in words is "one hundred fifty-nine billion, nine hundred eight million, seven hundred twenty-seven thousand, two hundred forty".