33506000000 has 224 divisors, whose sum is σ = 91081646640. Its totient is φ = 12176000000.

The previous prime is 33505999997. The next prime is 33506000123. The reversal of 33506000000 is 60533.

It is a happy number.

It is a super-2 number, since 2×33506000000² (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 27 ways as a sum of consecutive naturals, for example, 21999239 + ... + 22000761.

Almost surely, 2^33506000000 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 33506000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45540823320).

33506000000 is an abundant number, since it is smaller than the sum of its proper divisors (57575646640).

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

33506000000 is an frugal number, since it uses more digits than its factorization.

33506000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1578 (or 1541 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 17.

Adding to 33506000000 its reverse (60533), we get a palindrome (33506060533).

The spelling of 33506000000 in words is "thirty-three billion, five hundred six million", and thus it is an aban number.