32440532 has 12 divisors (see below), whose sum is σ = 57702036. Its totient is φ = 15954240.

The previous prime is 32440523. The next prime is 32440547. The reversal of 32440532 is 23504423.

It can be written as a sum of positive squares in 2 ways, for example, as 9265936 + 23174596 = 3044^2 + 4814^2 .

It is a junction number, because it is equal to n+sod(n) for n = 32440498 and 32440507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66233 + ... + 66720.

It is an arithmetic number, because the mean of its divisors is an integer number (4808503).

Almost surely, 2^32440532 is an apocalyptic number.

It is an amenable number.

32440532 is a deficient number, since it is larger than the sum of its proper divisors (25261504).

32440532 is a wasteful number, since it uses less digits than its factorization.

32440532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133018 (or 133016 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 32440532 is about 5695.6590487844. The cubic root of 32440532 is about 318.9304526341.

Adding to 32440532 its reverse (23504423), we get a palindrome (55944955).

The spelling of 32440532 in words is "thirty-two million, four hundred forty thousand, five hundred thirty-two".