32506537642 has 16 divisors (see below), whose sum is σ = 49131593280. Its totient is φ = 16129656928.

The previous prime is 32506537633. The next prime is 32506537643. The reversal of 32506537642 is 24673560523.

It is not an unprimeable number, because it can be changed into a prime (32506537643) 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 7 ways as a sum of consecutive naturals, for example, 127209 + ... + 284947.

It is an arithmetic number, because the mean of its divisors is an integer number (3070724580).

Almost surely, 2^32506537642 is an apocalyptic number.

32506537642 is a deficient number, since it is larger than the sum of its proper divisors (16625055638).

32506537642 is a wasteful number, since it uses less digits than its factorization.

32506537642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158525.

The product of its (nonzero) digits is 907200, while the sum is 43.

The spelling of 32506537642 in words is "thirty-two billion, five hundred six million, five hundred thirty-seven thousand, six hundred forty-two".