33040423224 has 96 divisors (see below), whose sum is σ = 93268531200. Its totient is φ = 10554649920.

The previous prime is 33040423223. The next prime is 33040423237. The reversal of 33040423224 is 42232404033.

33040423224 is a `hidden beast` number, since 3 + 3 + 0 + 404 + 232 + 24 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33040423223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 158037 + ... + 301755.

It is an arithmetic number, because the mean of its divisors is an integer number (971547200).

Almost surely, 2^33040423224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33040423224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46634265600).

33040423224 is an abundant number, since it is smaller than the sum of its proper divisors (60228107976).

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

33040423224 is a wasteful number, since it uses less digits than its factorization.

33040423224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143865 (or 143858 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

Adding to 33040423224 its reverse (42232404033), we get a palindrome (75272827257).

The spelling of 33040423224 in words is "thirty-three billion, forty million, four hundred twenty-three thousand, two hundred twenty-four".