33241340 has 48 divisors (see below), whose sum is σ = 77432544. Its totient is φ = 11884800.

The previous prime is 33241333. The next prime is 33241349. The reversal of 33241340 is 4314233.

It is a super-2 number, since 2×33241340² = 2209973369991200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33241349) 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 15 ways as a sum of consecutive naturals, for example, 12182 + ... + 14658.

It is an arithmetic number, because the mean of its divisors is an integer number (1613178).

Almost surely, 2^33241340 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 33241340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38716272).

33241340 is an abundant number, since it is smaller than the sum of its proper divisors (44191204).

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

33241340 is a wasteful number, since it uses less digits than its factorization.

33241340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2558 (or 2556 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 33241340 is about 5765.5303312011. The cubic root of 33241340 is about 321.5334601370.

Adding to 33241340 its reverse (4314233), we get a palindrome (37555573).

It can be divided in two parts, 3324 and 1340, that added together give a palindrome (4664).

The spelling of 33241340 in words is "thirty-three million, two hundred forty-one thousand, three hundred forty".