4231444432 has 20 divisors (see below), whose sum is σ = 8680684356. Its totient is φ = 1991267840.

The previous prime is 4231444421. The next prime is 4231444463. The reversal of 4231444432 is 2344441324.

It can be written as a sum of positive squares in 2 ways, for example, as 1572598336 + 2658846096 = 39656^2 + 51564^2 .

It is a super-2 number, since 2×4231444432² = 35810243962207605248, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4231444394 and 4231444403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7778119 + ... + 7778662.

Almost surely, 2^4231444432 is an apocalyptic number.

It is an amenable number.

4231444432 is an abundant number, since it is smaller than the sum of its proper divisors (4449239924).

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

4231444432 is a wasteful number, since it uses less digits than its factorization.

4231444432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15556806 (or 15556800 counting only the distinct ones).

The product of its digits is 36864, while the sum is 31.

The square root of 4231444432 is about 65049.5536648792. The cubic root of 4231444432 is about 1617.4450953671.

Adding to 4231444432 its reverse (2344441324), we get a palindrome (6575885756).

The spelling of 4231444432 in words is "four billion, two hundred thirty-one million, four hundred forty-four thousand, four hundred thirty-two".