32440534 has 16 divisors (see below), whose sum is σ = 58030848. Its totient is φ = 13298472.

The previous prime is 32440523. The next prime is 32440547. The reversal of 32440534 is 43504423.

It is a junction number, because it is equal to n+sod(n) for n = 32440499 and 32440508.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50052 + ... + 50695.

It is an arithmetic number, because the mean of its divisors is an integer number (3626928).

Almost surely, 2^32440534 is an apocalyptic number.

32440534 is a deficient number, since it is larger than the sum of its proper divisors (25590314).

32440534 is a wasteful number, since it uses less digits than its factorization.

32440534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100779.

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 32440534 is about 5695.6592243567. The cubic root of 32440534 is about 318.9304591882.

Adding to 32440534 its reverse (43504423), we get a palindrome (75944957).

The spelling of 32440534 in words is "thirty-two million, four hundred forty thousand, five hundred thirty-four".