4423312512 has 48 divisors (see below), whose sum is σ = 12728545830. Its totient is φ = 1474437120.

The previous prime is 4423312471. The next prime is 4423312513. The reversal of 4423312512 is 2152133244.

It can be written as a sum of positive squares in only one way, i.e., 4321221696 + 102090816 = 65736^2 + 10104^2 .

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (4423312513) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1918689 + ... + 1920992.

Almost surely, 2^4423312512 is an apocalyptic number.

It is an amenable number.

4423312512 is an abundant number, since it is smaller than the sum of its proper divisors (8305233318).

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

4423312512 is a wasteful number, since it uses less digits than its factorization.

4423312512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3839701 (or 3839686 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 4423312512 is about 66507.9883322297. The cubic root of 4423312512 is about 1641.5314506902.

Adding to 4423312512 its reverse (2152133244), we get a palindrome (6575445756).

The spelling of 4423312512 in words is "four billion, four hundred twenty-three million, three hundred twelve thousand, five hundred twelve".