32540343521 has 8 divisors (see below), whose sum is σ = 39146278080. Its totient is φ = 26423737488.

The previous prime is 32540343503. The next prime is 32540343541. The reversal of 32540343521 is 12534304523.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 32540343521 - 2²⁶ = 32473234657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (32540343541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122331986 + ... + 122332251.

It is an arithmetic number, because the mean of its divisors is an integer number (4893284760).

Almost surely, 2^32540343521 is an apocalyptic number.

It is an amenable number.

32540343521 is a deficient number, since it is larger than the sum of its proper divisors (6605934559).

32540343521 is a wasteful number, since it uses less digits than its factorization.

32540343521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244664263.

The product of its (nonzero) digits is 43200, while the sum is 32.

The spelling of 32540343521 in words is "thirty-two billion, five hundred forty million, three hundred forty-three thousand, five hundred twenty-one".