43143421105344 has 224 divisors, whose sum is σ = 131206969829376. Its totient is φ = 12256070307840.

The previous prime is 43143421105333. The next prime is 43143421105381. The reversal of 43143421105344 is 44350112434134.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (224).

It is a super-2 number, since 2×43143421105344² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 169597254 + ... + 169851450.

It is an arithmetic number, because the mean of its divisors is an integer number (585745401024).

Almost surely, 2^{43143421105344} 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 43143421105344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65603484914688).

43143421105344 is an abundant number, since it is smaller than the sum of its proper divisors (88063548724032).

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

43143421105344 is a wasteful number, since it uses less digits than its factorization.

43143421105344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254943 (or 254933 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 39.

Adding to 43143421105344 its reverse (44350112434134), we get a palindrome (87493533539478).

The spelling of 43143421105344 in words is "forty-three trillion, one hundred forty-three billion, four hundred twenty-one million, one hundred five thousand, three hundred forty-four".