33080440 has 64 divisors (see below), whose sum is σ = 79652160. Its totient is φ = 12334080.

The previous prime is 33080423. The next prime is 33080447. The reversal of 33080440 is 4408033.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33080447) 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 15 ways as a sum of consecutive naturals, for example, 37282 + ... + 38158.

It is an arithmetic number, because the mean of its divisors is an integer number (1244565).

Almost surely, 2^33080440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33080440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39826080).

33080440 is an abundant number, since it is smaller than the sum of its proper divisors (46571720).

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

33080440 is a wasteful number, since it uses less digits than its factorization.

33080440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952 (or 948 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 33080440 is about 5751.5597884400. The cubic root of 33080440 is about 321.0138417895.

Adding to 33080440 its reverse (4408033), we get a palindrome (37488473).

The spelling of 33080440 in words is "thirty-three million, eighty thousand, four hundred forty".