33481243968 has 112 divisors (see below), whose sum is σ = 91605811200. Its totient is φ = 10781222400.

The previous prime is 33481243951. The next prime is 33481243981. The reversal of 33481243968 is 86934218433.

It is a super-2 number, since 2×33481243968² (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 33481243968.

It is a congruent number.

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, 3560553 + ... + 3569943.

Almost surely, 2^33481243968 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 33481243968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45802905600).

33481243968 is an abundant number, since it is smaller than the sum of its proper divisors (58124567232).

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

33481243968 is a wasteful number, since it uses less digits than its factorization.

33481243968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10036 (or 10026 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 51.

The spelling of 33481243968 in words is "thirty-three billion, four hundred eighty-one million, two hundred forty-three thousand, nine hundred sixty-eight".