32040445 has 12 divisors (see below), whose sum is σ = 38933460. Its totient is φ = 25313024.

The previous prime is 32040443. The next prime is 32040451. The reversal of 32040445 is 54404023.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1104601 + 30935844 = 1051^2 + 5562^2 .

It is not a de Polignac number, because 32040445 - 2¹ = 32040443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32040443) 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 11 ways as a sum of consecutive naturals, for example, 39201 + ... + 40009.

It is an arithmetic number, because the mean of its divisors is an integer number (3244455).

Almost surely, 2^32040445 is an apocalyptic number.

It is an amenable number.

32040445 is a deficient number, since it is larger than the sum of its proper divisors (6893015).

32040445 is an frugal number, since it uses more digits than its factorization.

32040445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992 (or 903 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 32040445 is about 5660.4279873522. The cubic root of 32040445 is about 317.6139091559.

Adding to 32040445 its reverse (54404023), we get a palindrome (86444468).

The spelling of 32040445 in words is "thirty-two million, forty thousand, four hundred forty-five".