33545000000 has 112 divisors (see below), whose sum is σ = 83219513520. Its totient is φ = 13416000000.

The previous prime is 33544999993. The next prime is 33545000029. The reversal of 33545000000 is 54533.

It can be written as a sum of positive squares in 8 ways, for example, as 28113899584 + 5431100416 = 167672^2 + 73696^2 .

It is a super-2 number, since 2×33545000000² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 4996646 + ... + 5003354.

Almost surely, 2^33545000000 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 33545000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41609756760).

33545000000 is an abundant number, since it is smaller than the sum of its proper divisors (49674513520).

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

33545000000 is an frugal number, since it uses more digits than its factorization.

33545000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6756 (or 6716 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 20.

Adding to 33545000000 its reverse (54533), we get a palindrome (33545054533).

The spelling of 33545000000 in words is "thirty-three billion, five hundred forty-five million", and thus it is an aban number.