33033140 has 24 divisors (see below), whose sum is σ = 79279872. Its totient is φ = 11325600.

The previous prime is 33033127. The next prime is 33033173. The reversal of 33033140 is 4133033.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 117836 + ... + 118115.

It is an arithmetic number, because the mean of its divisors is an integer number (3303328).

Almost surely, 2^33033140 is an apocalyptic number.

It is an amenable number.

33033140 is an abundant number, since it is smaller than the sum of its proper divisors (46246732).

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

33033140 is a wasteful number, since it uses less digits than its factorization.

33033140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235967 (or 235965 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 33033140 is about 5747.4463894846. The cubic root of 33033140 is about 320.8607684790.

Adding to 33033140 its reverse (4133033), we get a palindrome (37166173).

The spelling of 33033140 in words is "thirty-three million, thirty-three thousand, one hundred forty".