33453000000 has 980 divisors, whose sum is σ = 144063780960. Its totient is φ = 7516800000.

The previous prime is 33452999963. The next prime is 33453000001. The reversal of 33453000000 is 35433.

It is a happy number.

It is a super-2 number, since 2×33453000000² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33453000001) by changing a digit.

It is a polite number, since it can be written in 139 ways as a sum of consecutive naturals, for example, 566999971 + ... + 567000029.

Almost surely, 2^33453000000 is an apocalyptic number.

33453000000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33453000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72031890480).

33453000000 is an abundant number, since it is smaller than the sum of its proper divisors (110610780960).

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

33453000000 is an frugal number, since it uses more digits than its factorization.

33453000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120 (or 76 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 18.

Adding to 33453000000 its reverse (35433), we get a palindrome (33453035433).

The spelling of 33453000000 in words is "thirty-three billion, four hundred fifty-three million", and thus it is an aban number.