33440244164 has 24 divisors (see below), whose sum is σ = 60196438848. Its totient is φ = 16247867040.

The previous prime is 33440244163. The next prime is 33440244191. The reversal of 33440244164 is 46144204433.

It is a happy number.

It is a super-2 number, since 2×33440244164² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33440244163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 805352 + ... + 845855.

It is an arithmetic number, because the mean of its divisors is an integer number (2508184952).

Almost surely, 2^33440244164 is an apocalyptic number.

It is an amenable number.

33440244164 is a deficient number, since it is larger than the sum of its proper divisors (26756194684).

33440244164 is a wasteful number, since it uses less digits than its factorization.

33440244164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1651355 (or 1651353 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 35.

Adding to 33440244164 its reverse (46144204433), we get a palindrome (79584448597).

The spelling of 33440244164 in words is "thirty-three billion, four hundred forty million, two hundred forty-four thousand, one hundred sixty-four".