33240132 has 30 divisors (see below), whose sum is σ = 86897118. Its totient is φ = 11079936.

The previous prime is 33240127. The next prime is 33240133. The reversal of 33240132 is 23104233.

It can be written as a sum of positive squares in only one way, i.e., 31741956 + 1498176 = 5634^2 + 1224^2 .

It is a super-2 number, since 2×33240132² = 2209812750754848, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (33240133) 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 9 ways as a sum of consecutive naturals, for example, 50973 + ... + 51620.

Almost surely, 2^33240132 is an apocalyptic number.

It is an amenable number.

33240132 is an abundant number, since it is smaller than the sum of its proper divisors (53656986).

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

33240132 is a wasteful number, since it uses less digits than its factorization.

33240132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102609 (or 102598 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 33240132 is about 5765.4255697216. The cubic root of 33240132 is about 321.5295652165.

Adding to 33240132 its reverse (23104233), we get a palindrome (56344365).

The spelling of 33240132 in words is "thirty-three million, two hundred forty thousand, one hundred thirty-two".