159404528640 has 704 divisors, whose sum is σ = 617041391616. Its totient is φ = 34334834688.

The previous prime is 159404528629. The next prime is 159404528659. The reversal of 159404528640 is 46825404951.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 159404528640.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 180525639 + ... + 180526521.

Almost surely, 2^159404528640 is an apocalyptic number.

159404528640 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 159404528640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (308520695808).

159404528640 is an abundant number, since it is smaller than the sum of its proper divisors (457636862976).

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

159404528640 is a wasteful number, since it uses less digits than its factorization.

159404528640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014 (or 996 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 48.

The spelling of 159404528640 in words is "one hundred fifty-nine billion, four hundred four million, five hundred twenty-eight thousand, six hundred forty".