32540209432 has 8 divisors (see below), whose sum is σ = 61012892700. Its totient is φ = 16270104712.

The previous prime is 32540209393. The next prime is 32540209433. The reversal of 32540209432 is 23490204523.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32540209433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2033763082 + ... + 2033763097.

Almost surely, 2^32540209432 is an apocalyptic number.

It is an amenable number.

32540209432 is a deficient number, since it is larger than the sum of its proper divisors (28472683268).

32540209432 is a wasteful number, since it uses less digits than its factorization.

32540209432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4067526185 (or 4067526181 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 34.

The spelling of 32540209432 in words is "thirty-two billion, five hundred forty million, two hundred nine thousand, four hundred thirty-two".