32540005215 has 24 divisors (see below), whose sum is σ = 56482283520. Its totient is φ = 17330174784.

The previous prime is 32540005189. The next prime is 32540005217. The reversal of 32540005215 is 51250004523.

It is a happy number.

It is not a de Polignac number, because 32540005215 - 2⁷ = 32540005087 is a prime.

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 (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 478047 + ... + 541856.

It is an arithmetic number, because the mean of its divisors is an integer number (2353428480).

Almost surely, 2^32540005215 is an apocalyptic number.

32540005215 is a deficient number, since it is larger than the sum of its proper divisors (23942278305).

32540005215 is a wasteful number, since it uses less digits than its factorization.

32540005215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020623 (or 1020620 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

Adding to 32540005215 its reverse (51250004523), we get a palindrome (83790009738).

The spelling of 32540005215 in words is "thirty-two billion, five hundred forty million, five thousand, two hundred fifteen".