32021630532 has 60 divisors (see below), whose sum is σ = 83952403920. Its totient is φ = 10643079024.

The previous prime is 32021630519. The next prime is 32021630549. The reversal of 32021630532 is 23503612023.

32021630532 is a `hidden beast` number, since 3 + 2 + 0 + 21 + 630 + 5 + 3 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 32021630496 and 32021630505.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 29982 + ... + 254837.

It is an arithmetic number, because the mean of its divisors is an integer number (1399206732).

Almost surely, 2^32021630532 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 32021630532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41976201960).

32021630532 is an abundant number, since it is smaller than the sum of its proper divisors (51930773388).

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

32021630532 is a wasteful number, since it uses less digits than its factorization.

32021630532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285182 (or 285171 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The spelling of 32021630532 in words is "thirty-two billion, twenty-one million, six hundred thirty thousand, five hundred thirty-two".