33340542 has 8 divisors (see below), whose sum is σ = 66681096. Its totient is φ = 11113512.

The previous prime is 33340529. The next prime is 33340543. The reversal of 33340542 is 24504333.

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

33340542 is an admirable number.

It is a super-2 number, since 2×33340542² = 2223183481707528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33340543) 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, 2778373 + ... + 2778384.

It is an arithmetic number, because the mean of its divisors is an integer number (8335137).

Almost surely, 2^33340542 is an apocalyptic number.

33340542 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.

33340542 is a wasteful number, since it uses less digits than its factorization.

33340542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5556762.

The product of its (nonzero) digits is 4320, while the sum is 24.

The square root of 33340542 is about 5774.1269469938. The cubic root of 33340542 is about 321.8529928335.

Adding to 33340542 its reverse (24504333), we get a palindrome (57844875).

The spelling of 33340542 in words is "thirty-three million, three hundred forty thousand, five hundred forty-two".