4431212452 has 48 divisors (see below), whose sum is σ = 8826935040. Its totient is φ = 1933466112.

The previous prime is 4431212449. The next prime is 4431212459. The reversal of 4431212452 is 2542121344.

It is a self number, because there is not a number n which added to its sum of digits gives 4431212452.

It is not an unprimeable number, because it can be changed into a prime (4431212459) 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, 24238 + ... + 97210.

It is an arithmetic number, because the mean of its divisors is an integer number (183894480).

Almost surely, 2^4431212452 is an apocalyptic number.

It is an amenable number.

4431212452 is a deficient number, since it is larger than the sum of its proper divisors (4395722588).

4431212452 is a wasteful number, since it uses less digits than its factorization.

4431212452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73060 (or 73058 counting only the distinct ones).

The product of its digits is 7680, while the sum is 28.

The square root of 4431212452 is about 66567.3527489264. The cubic root of 4431212452 is about 1642.5081159832.

Adding to 4431212452 its reverse (2542121344), we get a palindrome (6973333796).

The spelling of 4431212452 in words is "four billion, four hundred thirty-one million, two hundred twelve thousand, four hundred fifty-two".