32240642 has 16 divisors (see below), whose sum is σ = 56313792. Its totient is φ = 13556400.

The previous prime is 32240629. The next prime is 32240647. The reversal of 32240642 is 24604223.

It is not an unprimeable number, because it can be changed into a prime (32240647) by changing a digit.

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, 20984 + ... + 22467.

It is an arithmetic number, because the mean of its divisors is an integer number (3519612).

Almost surely, 2^32240642 is an apocalyptic number.

32240642 is a deficient number, since it is larger than the sum of its proper divisors (24073150).

32240642 is a wasteful number, since it uses less digits than its factorization.

32240642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43513.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 32240642 is about 5678.0843600637. The cubic root of 32240642 is about 318.2740474800.

Adding to 32240642 its reverse (24604223), we get a palindrome (56844865).

The spelling of 32240642 in words is "thirty-two million, two hundred forty thousand, six hundred forty-two".