33144404335420 has 96 divisors (see below), whose sum is σ = 84283046830080. Its totient is φ = 10688065274880.

The previous prime is 33144404335411. The next prime is 33144404335423. The reversal of 33144404335420 is 2453340444133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33144404335423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1232610 + ... + 8234569.

It is an arithmetic number, because the mean of its divisors is an integer number (877948404480).

Almost surely, 2^{33144404335420} is an apocalyptic number.

It is an amenable number.

33144404335420 is an abundant number, since it is smaller than the sum of its proper divisors (51138642494660).

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

33144404335420 is a wasteful number, since it uses less digits than its factorization.

33144404335420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9468683 (or 9468681 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 40.

Adding to 33144404335420 its reverse (2453340444133), we get a palindrome (35597744779553).

The spelling of 33144404335420 in words is "thirty-three trillion, one hundred forty-four billion, four hundred four million, three hundred thirty-five thousand, four hundred twenty".