33243320321344 has 56 divisors (see below), whose sum is σ = 75419161896960. Its totient is φ = 14241834518016.

The previous prime is 33243320321333. The next prime is 33243320321357. The reversal of 33243320321344 is 44312302334233.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-2 number, since 2×33243320321344² (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 7 ways as a sum of consecutive naturals, for example, 12604159 + ... + 15011710.

It is an arithmetic number, because the mean of its divisors is an integer number (1346770748160).

Almost surely, 2^{33243320321344} is an apocalyptic number.

It is an amenable number.

33243320321344 is an abundant number, since it is smaller than the sum of its proper divisors (42175841575616).

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

33243320321344 is a wasteful number, since it uses less digits than its factorization.

33243320321344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27618575 (or 27618565 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 37.

Adding to 33243320321344 its reverse (44312302334233), we get a palindrome (77555622655577).

The spelling of 33243320321344 in words is "thirty-three trillion, two hundred forty-three billion, three hundred twenty million, three hundred twenty-one thousand, three hundred forty-four".