33305053328 has 20 divisors (see below), whose sum is σ = 68324337900. Its totient is φ = 15672966144.

The previous prime is 33305053237. The next prime is 33305053339. The reversal of 33305053328 is 82335050333.

It can be written as a sum of positive squares in 2 ways, for example, as 16866736384 + 16438316944 = 129872^2 + 128212^2 .

It is a super-2 number, since 2×33305053328² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61222253 + ... + 61222796.

It is an arithmetic number, because the mean of its divisors is an integer number (3416216895).

Almost surely, 2^33305053328 is an apocalyptic number.

It is an amenable number.

33305053328 is an abundant number, since it is smaller than the sum of its proper divisors (35019284572).

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

33305053328 is a wasteful number, since it uses less digits than its factorization.

33305053328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122445074 (or 122445068 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 35.

The spelling of 33305053328 in words is "thirty-three billion, three hundred five million, fifty-three thousand, three hundred twenty-eight".