33680655467228 has 96 divisors (see below), whose sum is σ = 77846587273728. Its totient is φ = 12344261529600.

The previous prime is 33680655467149. The next prime is 33680655467243. The reversal of 33680655467228 is 82276455608633.

It is a super-2 number, since 2×33680655467228² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8881988 + ... + 12093428.

It is an arithmetic number, because the mean of its divisors is an integer number (810901950768).

Almost surely, 2^{33680655467228} 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 33680655467228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38923293636864).

33680655467228 is an abundant number, since it is smaller than the sum of its proper divisors (44165931806500).

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

33680655467228 is a wasteful number, since it uses less digits than its factorization.

33680655467228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3213483 (or 3213481 counting only the distinct ones).

The product of its (nonzero) digits is 348364800, while the sum is 65.

The spelling of 33680655467228 in words is "thirty-three trillion, six hundred eighty billion, six hundred fifty-five million, four hundred sixty-seven thousand, two hundred twenty-eight".