33440334133 has 16 divisors (see below), whose sum is σ = 35174113920. Its totient is φ = 31730835136.

The previous prime is 33440334113. The next prime is 33440334149. The reversal of 33440334133 is 33143304433.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 33440334133 - 2¹⁷ = 33440203061 is a prime.

It is a super-2 number, since 2×33440334133² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33440334095 and 33440334104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33440334113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1561623 + ... + 1582891.

It is an arithmetic number, because the mean of its divisors is an integer number (2198382120).

Almost surely, 2^33440334133 is an apocalyptic number.

It is an amenable number.

33440334133 is a deficient number, since it is larger than the sum of its proper divisors (1733779787).

33440334133 is a wasteful number, since it uses less digits than its factorization.

33440334133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21836.

The product of its (nonzero) digits is 46656, while the sum is 31.

Adding to 33440334133 its reverse (33143304433), we get a palindrome (66583638566).

The spelling of 33440334133 in words is "thirty-three billion, four hundred forty million, three hundred thirty-four thousand, one hundred thirty-three".