33040036 has 6 divisors (see below), whose sum is σ = 57820070. Its totient is φ = 16520016.

The previous prime is 33040009. The next prime is 33040057. The reversal of 33040036 is 63004033.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 32148900 + 891136 = 5670^2 + 944^2 .

It is a junction number, because it is equal to n+sod(n) for n = 33039995 and 33040022.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4130001 + ... + 4130008.

Almost surely, 2^33040036 is an apocalyptic number.

It is an amenable number.

33040036 is a deficient number, since it is larger than the sum of its proper divisors (24780034).

33040036 is a wasteful number, since it uses less digits than its factorization.

33040036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8260013 (or 8260011 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 33040036 is about 5748.0462767796. The cubic root of 33040036 is about 320.8830945623.

Adding to 33040036 its reverse (63004033), we get a palindrome (96044069).

The spelling of 33040036 in words is "thirty-three million, forty thousand, thirty-six".