33403312252 has 12 divisors (see below), whose sum is σ = 60997352976. Its totient is φ = 15975497120.

The previous prime is 33403312249. The next prime is 33403312297. The reversal of 33403312252 is 25221330433.

It is a super-2 number, since 2×33403312252² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33403312252.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181539649 + ... + 181539832.

It is an arithmetic number, because the mean of its divisors is an integer number (5083112748).

Almost surely, 2^33403312252 is an apocalyptic number.

It is an amenable number.

33403312252 is a deficient number, since it is larger than the sum of its proper divisors (27594040724).

33403312252 is a wasteful number, since it uses less digits than its factorization.

33403312252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363079508 (or 363079506 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 28.

Adding to 33403312252 its reverse (25221330433), we get a palindrome (58624642685).

The spelling of 33403312252 in words is "thirty-three billion, four hundred three million, three hundred twelve thousand, two hundred fifty-two".