4431424512 has 88 divisors (see below), whose sum is σ = 12086405056. Its totient is φ = 1442746368.

The previous prime is 4431424471. The next prime is 4431424519. The reversal of 4431424512 is 2154241344.

It is a self number, because there is not a number n which added to its sum of digits gives 4431424512.

It is not an unprimeable number, because it can be changed into a prime (4431424519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115323 + ... + 148869.

It is an arithmetic number, because the mean of its divisors is an integer number (137345512).

Almost surely, 2^4431424512 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 4431424512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6043202528).

4431424512 is an abundant number, since it is smaller than the sum of its proper divisors (7654980544).

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

4431424512 is a wasteful number, since it uses less digits than its factorization.

4431424512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33613 (or 33595 counting only the distinct ones).

The product of its digits is 15360, while the sum is 30.

The square root of 4431424512 is about 66568.9455527125. The cubic root of 4431424512 is about 1642.5343168420.

Adding to 4431424512 its reverse (2154241344), we get a palindrome (6585665856).

The spelling of 4431424512 in words is "four billion, four hundred thirty-one million, four hundred twenty-four thousand, five hundred twelve".