33256942208 has 128 divisors (see below), whose sum is σ = 77411635200. Its totient is φ = 13937863680.

The previous prime is 33256942091. The next prime is 33256942217. The reversal of 33256942208 is 80224965233.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×33256942208² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7571693 + ... + 7576083.

It is an arithmetic number, because the mean of its divisors is an integer number (604778400).

Almost surely, 2^33256942208 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 33256942208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38705817600).

33256942208 is an abundant number, since it is smaller than the sum of its proper divisors (44154692992).

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

33256942208 is a wasteful number, since it uses less digits than its factorization.

33256942208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4598 (or 4586 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 44.

The spelling of 33256942208 in words is "thirty-three billion, two hundred fifty-six million, nine hundred forty-two thousand, two hundred eight".