33235040 has 24 divisors (see below), whose sum is σ = 78518160. Its totient is φ = 13293952.

The previous prime is 33235031. The next prime is 33235043. The reversal of 33235040 is 4053233.

It is a super-2 number, since 2×33235040² = 2209135767603200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33235043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103700 + ... + 104019.

It is an arithmetic number, because the mean of its divisors is an integer number (3271590).

Almost surely, 2^33235040 is an apocalyptic number.

It is an amenable number.

33235040 is an abundant number, since it is smaller than the sum of its proper divisors (45283120).

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

33235040 is a wasteful number, since it uses less digits than its factorization.

33235040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207734 (or 207726 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 20.

The square root of 33235040 is about 5764.9839548779. The cubic root of 33235040 is about 321.5131461867.

Adding to 33235040 its reverse (4053233), we get a palindrome (37288273).

The spelling of 33235040 in words is "thirty-three million, two hundred thirty-five thousand, forty".