33120042404 has 12 divisors (see below), whose sum is σ = 57961378944. Its totient is φ = 16559648424.

The previous prime is 33120042401. The next prime is 33120042437. The reversal of 33120042404 is 40424002133.

It is a self number, because there is not a number n which added to its sum of digits gives 33120042404.

It is not an unprimeable number, because it can be changed into a prime (33120042401) 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, 235589 + ... + 348915.

It is an arithmetic number, because the mean of its divisors is an integer number (4830114912).

Almost surely, 2^33120042404 is an apocalyptic number.

It is an amenable number.

33120042404 is a deficient number, since it is larger than the sum of its proper divisors (24841336540).

33120042404 is a wasteful number, since it uses less digits than its factorization.

33120042404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186394 (or 186392 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 33120042404 its reverse (40424002133), we get a palindrome (73544044537).

The spelling of 33120042404 in words is "thirty-three billion, one hundred twenty million, forty-two thousand, four hundred four".