33028543324956 has 192 divisors, whose sum is σ = 82913566400000. Its totient is φ = 10202336944128.

The previous prime is 33028543324793. The next prime is 33028543324979. The reversal of 33028543324956 is 65942334582033.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a junction number, because it is equal to n+sod(n) for n = 33028543324896 and 33028543324905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2334330570 + ... + 2334344718.

Almost surely, 2^{33028543324956} 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 33028543324956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41456783200000).

33028543324956 is an abundant number, since it is smaller than the sum of its proper divisors (49885023075044).

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

33028543324956 is a wasteful number, since it uses less digits than its factorization.

33028543324956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15396 (or 15394 counting only the distinct ones).

The product of its (nonzero) digits is 55987200, while the sum is 57.

The spelling of 33028543324956 in words is "thirty-three trillion, twenty-eight billion, five hundred forty-three million, three hundred twenty-four thousand, nine hundred fifty-six".