43231224411440 has 160 divisors (see below), whose sum is σ = 109057015737600. Its totient is φ = 15842527534080.

The previous prime is 43231224411311. The next prime is 43231224411491. The reversal of 43231224411440 is 4411442213234.

It is a super-3 number, since 3×43231224411440³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 43231224411440.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 481484471 + ... + 481574249.

It is an arithmetic number, because the mean of its divisors is an integer number (681606348360).

Almost surely, 2^{43231224411440} is an apocalyptic number.

43231224411440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43231224411440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54528507868800).

43231224411440 is an abundant number, since it is smaller than the sum of its proper divisors (65825791326160).

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

43231224411440 is a wasteful number, since it uses less digits than its factorization.

43231224411440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93275 (or 93269 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 35.

Adding to 43231224411440 its reverse (4411442213234), we get a palindrome (47642666624674).

The spelling of 43231224411440 in words is "forty-three trillion, two hundred thirty-one billion, two hundred twenty-four million, four hundred eleven thousand, four hundred forty".