32640322503 has 4 divisors (see below), whose sum is σ = 43520430008. Its totient is φ = 21760215000.

The previous prime is 32640322459. The next prime is 32640322553. The reversal of 32640322503 is 30522304623.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 32640322503 - 2²⁴ = 32623545287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32640322553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5440053748 + ... + 5440053753.

It is an arithmetic number, because the mean of its divisors is an integer number (10880107502).

Almost surely, 2^32640322503 is an apocalyptic number.

32640322503 is a deficient number, since it is larger than the sum of its proper divisors (10880107505).

32640322503 is a wasteful number, since it uses less digits than its factorization.

32640322503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10880107504.

The product of its (nonzero) digits is 25920, while the sum is 30.

The spelling of 32640322503 in words is "thirty-two billion, six hundred forty million, three hundred twenty-two thousand, five hundred three".