32540005212 has 96 divisors (see below), whose sum is σ = 89409567744. Its totient is φ = 9080774400.

The previous prime is 32540005189. The next prime is 32540005217. The reversal of 32540005212 is 21250004523.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32540005217) 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, 717598 + ... + 761594.

It is an arithmetic number, because the mean of its divisors is an integer number (931349664).

Almost surely, 2^32540005212 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 32540005212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44704783872).

32540005212 is an abundant number, since it is smaller than the sum of its proper divisors (56869562532).

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

32540005212 is a wasteful number, since it uses less digits than its factorization.

32540005212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44459 (or 44457 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

Adding to 32540005212 its reverse (21250004523), we get a palindrome (53790009735).

The spelling of 32540005212 in words is "thirty-two billion, five hundred forty million, five thousand, two hundred twelve".