33042223241440 has 144 divisors (see below), whose sum is σ = 90811792773072. Its totient is φ = 11328178046976.

The previous prime is 33042223241429. The next prime is 33042223241471. The reversal of 33042223241440 is 4414232224033.

It is a junction number, because it is equal to n+sod(n) for n = 33042223241396 and 33042223241405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 168642412 + ... + 168838228.

It is an arithmetic number, because the mean of its divisors is an integer number (630637449813).

Almost surely, 2^{33042223241440} 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 33042223241440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45405896386536).

33042223241440 is an abundant number, since it is smaller than the sum of its proper divisors (57769569531632).

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

33042223241440 is a wasteful number, since it uses less digits than its factorization.

33042223241440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217369 (or 217354 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 34.

Adding to 33042223241440 its reverse (4414232224033), we get a palindrome (37456455465473).

The spelling of 33042223241440 in words is "thirty-three trillion, forty-two billion, two hundred twenty-three million, two hundred forty-one thousand, four hundred forty".