32444040040 has 128 divisors (see below), whose sum is σ = 74886739200. Its totient is φ = 12648130560.

The previous prime is 32444039993. The next prime is 32444040043. The reversal of 32444040040 is 4004044423.

It is a junction number, because it is equal to n+sod(n) for n = 32444039987 and 32444040014.

It is not an unprimeable number, because it can be changed into a prime (32444040043) 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 31 ways as a sum of consecutive naturals, for example, 103654924 + ... + 103655236.

It is an arithmetic number, because the mean of its divisors is an integer number (585052650).

Almost surely, 2^32444040040 is an apocalyptic number.

It is an amenable number.

32444040040 is an abundant number, since it is smaller than the sum of its proper divisors (42442699160).

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

32444040040 is a wasteful number, since it uses less digits than its factorization.

32444040040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747 (or 743 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

Adding to 32444040040 its reverse (4004044423), we get a palindrome (36448084463).

The spelling of 32444040040 in words is "thirty-two billion, four hundred forty-four million, forty thousand, forty".