33309539904 has 112 divisors (see below), whose sum is σ = 89608241408. Its totient is φ = 10917739008.

The previous prime is 33309539899. The next prime is 33309539933. The reversal of 33309539904 is 40993590333.

It is a happy number.

It is a super-2 number, since 2×33309539904² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 8269539 + ... + 8273565.

It is an arithmetic number, because the mean of its divisors is an integer number (800073584).

Almost surely, 2^33309539904 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 33309539904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44804120704).

33309539904 is an abundant number, since it is smaller than the sum of its proper divisors (56298701504).

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

33309539904 is a wasteful number, since it uses less digits than its factorization.

33309539904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4752 (or 4742 counting only the distinct ones).

The product of its (nonzero) digits is 1180980, while the sum is 48.

The spelling of 33309539904 in words is "thirty-three billion, three hundred nine million, five hundred thirty-nine thousand, nine hundred four".