4400430431 has 2 divisors, whose sum is σ = 4400430432. Its totient is φ = 4400430430.

The previous prime is 4400430421. The next prime is 4400430443. The reversal of 4400430431 is 1340340044.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4400430431 - 2²² = 4396236127 is a prime.

It is a super-2 number, since 2×4400430431² = 38727575956141691522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4400430397 and 4400430406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4400430401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2200215215 + 2200215216.

It is an arithmetic number, because the mean of its divisors is an integer number (2200215216).

Almost surely, 2^4400430431 is an apocalyptic number.

4400430431 is a deficient number, since it is larger than the sum of its proper divisors (1).

4400430431 is an equidigital number, since it uses as much as digits as its factorization.

4400430431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 4400430431 is about 66335.7402235024. The cubic root of 4400430431 is about 1638.6959729853.

Adding to 4400430431 its reverse (1340340044), we get a palindrome (5740770475).

The spelling of 4400430431 in words is "four billion, four hundred million, four hundred thirty thousand, four hundred thirty-one".