33327749328 has 80 divisors (see below), whose sum is σ = 88917689856. Its totient is φ = 10745602560.

The previous prime is 33327749281. The next prime is 33327749339. The reversal of 33327749328 is 82394772333.

It is a super-2 number, since 2×33327749328² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 4003026 + ... + 4011342.

Almost surely, 2^33327749328 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 33327749328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44458844928).

33327749328 is an abundant number, since it is smaller than the sum of its proper divisors (55589940528).

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

33327749328 is a wasteful number, since it uses less digits than its factorization.

33327749328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11052 (or 11046 counting only the distinct ones).

The product of its digits is 4572288, while the sum is 51.

The spelling of 33327749328 in words is "thirty-three billion, three hundred twenty-seven million, seven hundred forty-nine thousand, three hundred twenty-eight".