33042340 has 24 divisors (see below), whose sum is σ = 69572160. Its totient is φ = 13182048.

The previous prime is 33042319. The next prime is 33042343. The reversal of 33042340 is 4324033.

It is not an unprimeable number, because it can be changed into a prime (33042343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6409 + ... + 10351.

It is an arithmetic number, because the mean of its divisors is an integer number (2898840).

Almost surely, 2^33042340 is an apocalyptic number.

It is an amenable number.

33042340 is an abundant number, since it is smaller than the sum of its proper divisors (36529820).

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

33042340 is a wasteful number, since it uses less digits than its factorization.

33042340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4371 (or 4369 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 19.

The square root of 33042340 is about 5748.2466892088. The cubic root of 33042340 is about 320.8905531646.

Adding to 33042340 its reverse (4324033), we get a palindrome (37366373).

The spelling of 33042340 in words is "thirty-three million, forty-two thousand, three hundred forty".