33441940 has 48 divisors (see below), whose sum is σ = 81793152. Its totient is φ = 11246976.

The previous prime is 33441929. The next prime is 33441949. The reversal of 33441940 is 4914433.

It is a super-2 number, since 2×33441940² = 2236726701927200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 33441899 and 33441908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33441949) 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, 5167 + ... + 9673.

It is an arithmetic number, because the mean of its divisors is an integer number (1704024).

Almost surely, 2^33441940 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 33441940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40896576).

33441940 is an abundant number, since it is smaller than the sum of its proper divisors (48351212).

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

33441940 is a wasteful number, since it uses less digits than its factorization.

33441940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4576 (or 4574 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 33441940 is about 5782.9006562451. The cubic root of 33441940 is about 322.1789445554.

The spelling of 33441940 in words is "thirty-three million, four hundred forty-one thousand, nine hundred forty".