159580825440 has 144 divisors (see below), whose sum is σ = 506572287984. Its totient is φ = 42227860480.

The previous prime is 159580825423. The next prime is 159580825489. The reversal of 159580825440 is 44528085951.

159580825440 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×159580825440² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8227594 + ... + 8246966.

It is an arithmetic number, because the mean of its divisors is an integer number (3517863111).

Almost surely, 2^159580825440 is an apocalyptic number.

159580825440 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 159580825440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253286143992).

159580825440 is an abundant number, since it is smaller than the sum of its proper divisors (346991462544).

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

159580825440 is a wasteful number, since it uses less digits than its factorization.

159580825440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19653 (or 19514 counting only the distinct ones).

The product of its (nonzero) digits is 2304000, while the sum is 51.

The spelling of 159580825440 in words is "one hundred fifty-nine billion, five hundred eighty million, eight hundred twenty-five thousand, four hundred forty".