4431440001 has 4 divisors (see below), whose sum is σ = 5908586672. Its totient is φ = 2954293332.

The previous prime is 4431439931. The next prime is 4431440009. The reversal of 4431440001 is 1000441344.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4431440001 - 2¹¹ = 4431437953 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4431440001.

It is not an unprimeable number, because it can be changed into a prime (4431440009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 738573331 + ... + 738573336.

It is an arithmetic number, because the mean of its divisors is an integer number (1477146668).

Almost surely, 2^4431440001 is an apocalyptic number.

It is an amenable number.

4431440001 is a deficient number, since it is larger than the sum of its proper divisors (1477146671).

4431440001 is a wasteful number, since it uses less digits than its factorization.

4431440001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1477146670.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 4431440001 is about 66569.0618906411. The cubic root of 4431440001 is about 1642.5362305369.

Adding to 4431440001 its reverse (1000441344), we get a palindrome (5431881345).

The spelling of 4431440001 in words is "four billion, four hundred thirty-one million, four hundred forty thousand, one".