33404430434 has 8 divisors (see below), whose sum is σ = 50173367808. Its totient is φ = 16679974500.

The previous prime is 33404430427. The next prime is 33404430439. The reversal of 33404430434 is 43403440433.

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

It is a super-2 number, since 2×33404430434² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33404430434.

It is not an unprimeable number, because it can be changed into a prime (33404430439) 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 3 ways as a sum of consecutive naturals, for example, 11118482 + ... + 11121485.

It is an arithmetic number, because the mean of its divisors is an integer number (6271670976).

Almost surely, 2^33404430434 is an apocalyptic number.

33404430434 is a deficient number, since it is larger than the sum of its proper divisors (16768937374).

33404430434 is a wasteful number, since it uses less digits than its factorization.

33404430434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22240720.

The product of its (nonzero) digits is 82944, while the sum is 32.

Adding to 33404430434 its reverse (43403440433), we get a palindrome (76807870867).

Subtracting 33404430434 from its reverse (43403440433), we obtain a palindrome (9999009999).

The spelling of 33404430434 in words is "thirty-three billion, four hundred four million, four hundred thirty thousand, four hundred thirty-four".