532130128256 has 64 divisors (see below), whose sum is σ = 1093773315600. Its totient is φ = 257707868160.

The previous prime is 532130128253. The next prime is 532130128331. The reversal of 532130128256 is 652821031235.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (532130128253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 364736 + ... + 1094208.

Almost surely, 2^532130128256 is an apocalyptic number.

It is a pronic number, being equal to 729472×729473.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 532130128256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (546886657800).

532130128256 is an abundant number, since it is smaller than the sum of its proper divisors (561643187344).

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

532130128256 is a wasteful number, since it uses less digits than its factorization.

532130128256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729667 (or 729655 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 532130128256 in words is "five hundred thirty-two billion, one hundred thirty million, one hundred twenty-eight thousand, two hundred fifty-six".