532130857728 has 144 divisors (see below), whose sum is σ = 1461235977600. Its totient is φ = 171804303360.

The previous prime is 532130857673. The next prime is 532130857733. The reversal of 532130857728 is 827758031235.

It is a Cunningham number, because it is equal to 729473²-1.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4316043 + ... + 4437621.

Almost surely, 2^532130857728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 532130857728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (730617988800).

532130857728 is an abundant number, since it is smaller than the sum of its proper divisors (929105119872).

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

532130857728 is a wasteful number, since it uses less digits than its factorization.

532130857728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121778 (or 121764 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 51.

The spelling of 532130857728 in words is "five hundred thirty-two billion, one hundred thirty million, eight hundred fifty-seven thousand, seven hundred twenty-eight".