33240342 has 8 divisors (see below), whose sum is σ = 66480696. Its totient is φ = 11080112.

The previous prime is 33240301. The next prime is 33240349. The reversal of 33240342 is 24304233.

It is a sphenic number, since it is the product of 3 distinct primes.

33240342 is an admirable number.

It is a super-2 number, since 2×33240342² = 2209840672553928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33240349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2770023 + ... + 2770034.

It is an arithmetic number, because the mean of its divisors is an integer number (8310087).

Almost surely, 2^33240342 is an apocalyptic number.

33240342 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

33240342 is a wasteful number, since it uses less digits than its factorization.

33240342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5540062.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 33240342 is about 5765.4437817049. The cubic root of 33240342 is about 321.5302423204.

Adding to 33240342 its reverse (24304233), we get a palindrome (57544575).

The spelling of 33240342 in words is "thirty-three million, two hundred forty thousand, three hundred forty-two".