532129818 has 64 divisors (see below), whose sum is σ = 1269043200. Its totient is φ = 146860800.

The previous prime is 532129811. The next prime is 532129841. The reversal of 532129818 is 818921235.

It is not an unprimeable number, because it can be changed into a prime (532129811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27133 + ... + 42431.

It is an arithmetic number, because the mean of its divisors is an integer number (19828800).

Almost surely, 2^532129818 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 532129818, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (634521600).

532129818 is an abundant number, since it is smaller than the sum of its proper divisors (736913382).

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

532129818 is a wasteful number, since it uses less digits than its factorization.

532129818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15363.

The product of its digits is 34560, while the sum is 39.

The square root of 532129818 is about 23067.9391797360. The cubic root of 532129818 is about 810.3498047118.

The spelling of 532129818 in words is "five hundred thirty-two million, one hundred twenty-nine thousand, eight hundred eighteen".