159894483840 has 1024 divisors, whose sum is σ = 727443763200. Its totient is φ = 32261898240.

The previous prime is 159894483829. The next prime is 159894483851. The reversal of 159894483840 is 48384498951.

159894483840 is a `hidden beast` number, since 1 + 598 + 9 + 4 + 4 + 8 + 38 + 4 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (159894483829) and next prime (159894483851).

It is a super-2 number, since 2×159894483840² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

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, 36164830 + ... + 36169250.

It is an arithmetic number, because the mean of its divisors is an integer number (710394300).

Almost surely, 2^159894483840 is an apocalyptic number.

159894483840 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 159894483840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (363721881600).

159894483840 is an abundant number, since it is smaller than the sum of its proper divisors (567549279360).

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

159894483840 is a wasteful number, since it uses less digits than its factorization.

159894483840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4492 (or 4474 counting only the distinct ones).

The product of its (nonzero) digits is 39813120, while the sum is 63.

The spelling of 159894483840 in words is "one hundred fifty-nine billion, eight hundred ninety-four million, four hundred eighty-three thousand, eight hundred forty".