33940242 has 96 divisors (see below), whose sum is σ = 89303040. Its totient is φ = 9525600.

The previous prime is 33940229. The next prime is 33940259. The reversal of 33940242 is 24204933.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 267183 + ... + 267309.

It is an arithmetic number, because the mean of its divisors is an integer number (930240).

Almost surely, 2^33940242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33940242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44651520).

33940242 is an abundant number, since it is smaller than the sum of its proper divisors (55362798).

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

33940242 is a wasteful number, since it uses less digits than its factorization.

33940242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253 (or 240 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 33940242 is about 5825.8254350778. The cubic root of 33940242 is about 323.7712720379.

The spelling of 33940242 in words is "thirty-three million, nine hundred forty thousand, two hundred forty-two".