33340004440 has 64 divisors (see below), whose sum is σ = 77450204160. Its totient is φ = 12908206080.

The previous prime is 33340004323. The next prime is 33340004491. The reversal of 33340004440 is 4440004333.

It is a happy number.

It is a super-2 number, since 2×33340004440² (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 15 ways as a sum of consecutive naturals, for example, 128244 + ... + 288316.

It is an arithmetic number, because the mean of its divisors is an integer number (1210159440).

Almost surely, 2^33340004440 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 33340004440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38725102080).

33340004440 is an abundant number, since it is smaller than the sum of its proper divisors (44110199720).

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

33340004440 is a wasteful number, since it uses less digits than its factorization.

33340004440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160252 (or 160248 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 25.

Adding to 33340004440 its reverse (4440004333), we get a palindrome (37780008773).

The spelling of 33340004440 in words is "thirty-three billion, three hundred forty million, four thousand, four hundred forty".