33040912 has 20 divisors (see below), whose sum is σ = 64326736. Its totient is φ = 16440480.

The previous prime is 33040901. The next prime is 33040913. The reversal of 33040912 is 21904033.

It is not an unprimeable number, because it can be changed into a prime (33040913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1518 + ... + 8269.

Almost surely, 2^33040912 is an apocalyptic number.

It is an amenable number.

33040912 is a deficient number, since it is larger than the sum of its proper divisors (31285824).

33040912 is a wasteful number, since it uses less digits than its factorization.

33040912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10006 (or 10000 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 33040912 is about 5748.1224760786. The cubic root of 33040912 is about 320.8859304259.

Adding to 33040912 its reverse (21904033), we get a palindrome (54944945).

The spelling of 33040912 in words is "thirty-three million, forty thousand, nine hundred twelve".