33140444 has 12 divisors (see below), whose sum is σ = 59344824. Its totient is φ = 16184784.

The previous prime is 33140441. The next prime is 33140449. The reversal of 33140444 is 44404133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33140441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96167 + ... + 96510.

It is an arithmetic number, because the mean of its divisors is an integer number (4945402).

Almost surely, 2^33140444 is an apocalyptic number.

It is an amenable number.

33140444 is a deficient number, since it is larger than the sum of its proper divisors (26204380).

33140444 is a wasteful number, since it uses less digits than its factorization.

33140444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192724 (or 192722 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 33140444 is about 5756.7737492453. The cubic root of 33140444 is about 321.2078182490.

Adding to 33140444 its reverse (44404133), we get a palindrome (77544577).

The spelling of 33140444 in words is "thirty-three million, one hundred forty thousand, four hundred forty-four".