32040042 has 16 divisors (see below), whose sum is σ = 67452960. Its totient is φ = 10117872.

The previous prime is 32040013. The next prime is 32040049. The reversal of 32040042 is 24004023.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (32040049) 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, 140413 + ... + 140640.

It is an arithmetic number, because the mean of its divisors is an integer number (4215810).

Almost surely, 2^32040042 is an apocalyptic number.

32040042 is an abundant number, since it is smaller than the sum of its proper divisors (35412918).

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

32040042 is a wasteful number, since it uses less digits than its factorization.

32040042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281077.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 32040042 is about 5660.3923892253. The cubic root of 32040042 is about 317.6125775167.

Adding to 32040042 its reverse (24004023), we get a palindrome (56044065).

The spelling of 32040042 in words is "thirty-two million, forty thousand, forty-two", and thus it is an eban number.