33440152 has 24 divisors (see below), whose sum is σ = 66179700. Its totient is φ = 15838704.

The previous prime is 33440149. The next prime is 33440153. The reversal of 33440152 is 25104433.

It is a super-2 number, since 2×33440152² = 2236487531566208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33440153) 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 5 ways as a sum of consecutive naturals, for example, 2902 + ... + 8677.

Almost surely, 2^33440152 is an apocalyptic number.

It is an amenable number.

33440152 is a deficient number, since it is larger than the sum of its proper divisors (32739548).

33440152 is a wasteful number, since it uses less digits than its factorization.

33440152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11623 (or 11600 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 33440152 is about 5782.7460604803. The cubic root of 33440152 is about 322.1732026016.

Adding to 33440152 its reverse (25104433), we get a palindrome (58544585).

The spelling of 33440152 in words is "thirty-three million, four hundred forty thousand, one hundred fifty-two".