43143320444 has 48 divisors (see below), whose sum is σ = 91521534720. Its totient is φ = 17383092480.

The previous prime is 43143320413. The next prime is 43143320447. The reversal of 43143320444 is 44402334134.

43143320444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×43143320444² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 43143320444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43143320447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239837 + ... + 379220.

It is an arithmetic number, because the mean of its divisors is an integer number (1906698640).

Almost surely, 2^43143320444 is an apocalyptic number.

It is an amenable number.

43143320444 is an abundant number, since it is smaller than the sum of its proper divisors (48378214276).

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

43143320444 is a wasteful number, since it uses less digits than its factorization.

43143320444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619218 (or 619216 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 43143320444 its reverse (44402334134), we get a palindrome (87545654578).

The spelling of 43143320444 in words is "forty-three billion, one hundred forty-three million, three hundred twenty thousand, four hundred forty-four".