33404042 has 8 divisors (see below), whose sum is σ = 57264096. Its totient is φ = 14316012.

The previous prime is 33404029. The next prime is 33404101. The reversal of 33404042 is 24040433.

It is a happy number.

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

It is a super-2 number, since 2×33404042² = 2231660043875528, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1192988 + ... + 1193015.

It is an arithmetic number, because the mean of its divisors is an integer number (7158012).

Almost surely, 2^33404042 is an apocalyptic number.

33404042 is a deficient number, since it is larger than the sum of its proper divisors (23860054).

33404042 is a wasteful number, since it uses less digits than its factorization.

33404042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2386012.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 33404042 is about 5779.6229980856. The cubic root of 33404042 is about 322.0571957090.

Adding to 33404042 its reverse (24040433), we get a palindrome (57444475).

The spelling of 33404042 in words is "thirty-three million, four hundred four thousand, forty-two".