33000440304 has 160 divisors (see below), whose sum is σ = 94536629824. Its totient is φ = 9853747200.

The previous prime is 33000440299. The next prime is 33000440327. The reversal of 33000440304 is 40304400033.

It is a super-2 number, since 2×33000440304² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9995454 + ... + 9998754.

Almost surely, 2^33000440304 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 33000440304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47268314912).

33000440304 is an abundant number, since it is smaller than the sum of its proper divisors (61536189520).

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

33000440304 is a wasteful number, since it uses less digits than its factorization.

33000440304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3795 (or 3789 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

Adding to 33000440304 its reverse (40304400033), we get a palindrome (73304840337).

The spelling of 33000440304 in words is "thirty-three billion, four hundred forty thousand, three hundred four".