32440324406 has 32 divisors (see below), whose sum is σ = 56307363840. Its totient is φ = 13729303296.

The previous prime is 32440324391. The next prime is 32440324439. The reversal of 32440324406 is 60442304423.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3340550 + ... + 3350246.

It is an arithmetic number, because the mean of its divisors is an integer number (1759605120).

Almost surely, 2^32440324406 is an apocalyptic number.

32440324406 is a deficient number, since it is larger than the sum of its proper divisors (23867039434).

32440324406 is a wasteful number, since it uses less digits than its factorization.

32440324406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12668.

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 32440324406 its reverse (60442304423), we get a palindrome (92882628829).

The spelling of 32440324406 in words is "thirty-two billion, four hundred forty million, three hundred twenty-four thousand, four hundred six".