33141323440 has 20 divisors (see below), whose sum is σ = 77053577184. Its totient is φ = 13256529344.

The previous prime is 33141323437. The next prime is 33141323441. The reversal of 33141323440 is 4432314133.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 33141323399 and 33141323408.

It is not an unprimeable number, because it can be changed into a prime (33141323441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207133192 + ... + 207133351.

Almost surely, 2^33141323440 is an apocalyptic number.

It is an amenable number.

33141323440 is an abundant number, since it is smaller than the sum of its proper divisors (43912253744).

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

33141323440 is a wasteful number, since it uses less digits than its factorization.

33141323440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414266556 (or 414266550 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 33141323440 its reverse (4432314133), we get a palindrome (37573637573).

The spelling of 33141323440 in words is "thirty-three billion, one hundred forty-one million, three hundred twenty-three thousand, four hundred forty".