159643578240 has 1024 divisors, whose sum is σ = 622888704000. Its totient is φ = 38486016000.

The previous prime is 159643578221. The next prime is 159643578293. The reversal of 159643578240 is 42875346951.

It is a happy number.

159643578240 is a `hidden beast` number, since 1 + 5 + 9 + 6 + 43 + 578 + 24 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1057242165 + ... + 1057242315.

It is an arithmetic number, because the mean of its divisors is an integer number (608289750).

It is a 2-persistent number, because it is pandigital, and so is 2⋅159643578240 = 319287156480, but 3⋅159643578240 = 478930734720 is not.

Almost surely, 2^159643578240 is an apocalyptic number.

159643578240 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 159643578240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (311444352000).

159643578240 is an abundant number, since it is smaller than the sum of its proper divisors (463245125760).

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

159643578240 is a wasteful number, since it uses less digits than its factorization.

159643578240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316 (or 298 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 54.

The spelling of 159643578240 in words is "one hundred fifty-nine billion, six hundred forty-three million, five hundred seventy-eight thousand, two hundred forty".