33040506 has 32 divisors (see below), whose sum is σ = 71265600. Its totient is φ = 10177920.

The previous prime is 33040481. The next prime is 33040507. The reversal of 33040506 is 60504033.

It is not an unprimeable number, because it can be changed into a prime (33040507) 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 15 ways as a sum of consecutive naturals, for example, 1140 + ... + 8208.

It is an arithmetic number, because the mean of its divisors is an integer number (2227050).

Almost surely, 2^33040506 is an apocalyptic number.

33040506 is an abundant number, since it is smaller than the sum of its proper divisors (38225094).

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

33040506 is a wasteful number, since it uses less digits than its factorization.

33040506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7134.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 33040506 is about 5748.0871600907. The cubic root of 33040506 is about 320.8846160936.

Adding to 33040506 its reverse (60504033), we get a palindrome (93544539).

The spelling of 33040506 in words is "thirty-three million, forty thousand, five hundred six".