33040043312 has 20 divisors (see below), whose sum is σ = 67384299480. Its totient is φ = 15650546688.

The previous prime is 33040043297. The next prime is 33040043327. The reversal of 33040043312 is 21334004033.

It is an interprime number because it is at equal distance from previous prime (33040043297) and next prime (33040043327).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54341873 + ... + 54342480.

It is an arithmetic number, because the mean of its divisors is an integer number (3369214974).

Almost surely, 2^33040043312 is an apocalyptic number.

It is an amenable number.

33040043312 is an abundant number, since it is smaller than the sum of its proper divisors (34344256168).

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

33040043312 is a wasteful number, since it uses less digits than its factorization.

33040043312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108684380 (or 108684374 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 33040043312 its reverse (21334004033), we get a palindrome (54374047345).

The spelling of 33040043312 in words is "thirty-three billion, forty million, forty-three thousand, three hundred twelve".