33040133250 has 256 divisors, whose sum is σ = 90833633280. Its totient is φ = 7963008000.

The previous prime is 33040133227. The next prime is 33040133261. The reversal of 33040133250 is 5233104033.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 33040133250.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 70749517 + ... + 70749983.

It is an arithmetic number, because the mean of its divisors is an integer number (354818880).

Almost surely, 2^33040133250 is an apocalyptic number.

33040133250 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 33040133250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45416816640).

33040133250 is an abundant number, since it is smaller than the sum of its proper divisors (57793500030).

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

33040133250 is a wasteful number, since it uses less digits than its factorization.

33040133250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714 (or 704 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 24.

Adding to 33040133250 its reverse (5233104033), we get a palindrome (38273237283).

The spelling of 33040133250 in words is "thirty-three billion, forty million, one hundred thirty-three thousand, two hundred fifty".