43112142444 has 96 divisors (see below), whose sum is σ = 116110342656. Its totient is φ = 12195555840.

The previous prime is 43112142407. The next prime is 43112142547. The reversal of 43112142444 is 44424121134.

It is a happy number.

It is a super-2 number, since 2×43112142444² (a number of 22 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5024542 + ... + 5033114.

It is an arithmetic number, because the mean of its divisors is an integer number (1209482736).

Almost surely, 2^43112142444 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 43112142444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58055171328).

43112142444 is an abundant number, since it is smaller than the sum of its proper divisors (72998200212).

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

43112142444 is a wasteful number, since it uses less digits than its factorization.

43112142444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9175 (or 9173 counting only the distinct ones).

The product of its digits is 12288, while the sum is 30.

Adding to 43112142444 its reverse (44424121134), we get a palindrome (87536263578).

The spelling of 43112142444 in words is "forty-three billion, one hundred twelve million, one hundred forty-two thousand, four hundred forty-four".