32140440520 has 32 divisors (see below), whose sum is σ = 73854633600. Its totient is φ = 12582639808.

The previous prime is 32140440491. The next prime is 32140440569. The reversal of 32140440520 is 2504404123.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8546110 + ... + 8549869.

It is an arithmetic number, because the mean of its divisors is an integer number (2307957300).

Almost surely, 2^32140440520 is an apocalyptic number.

It is an amenable number.

32140440520 is an abundant number, since it is smaller than the sum of its proper divisors (41714193080).

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

32140440520 is a wasteful number, since it uses less digits than its factorization.

32140440520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17096037 (or 17096033 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 32140440520 its reverse (2504404123), we get a palindrome (34644844643).

The spelling of 32140440520 in words is "thirty-two billion, one hundred forty million, four hundred forty thousand, five hundred twenty".