4400420429 has 2 divisors, whose sum is σ = 4400420430. Its totient is φ = 4400420428.

The previous prime is 4400420411. The next prime is 4400420483. The reversal of 4400420429 is 9240240044.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3088024900 + 1312395529 = 55570^2 + 36227^2 .

It is a cyclic number.

It is not a de Polignac number, because 4400420429 - 2⁸ = 4400420173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4400480429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2200210214 + 2200210215.

It is an arithmetic number, because the mean of its divisors is an integer number (2200210215).

Almost surely, 2^4400420429 is an apocalyptic number.

It is an amenable number.

4400420429 is a deficient number, since it is larger than the sum of its proper divisors (1).

4400420429 is an equidigital number, since it uses as much as digits as its factorization.

4400420429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 4400420429 is about 66335.6648342353. The cubic root of 4400420429 is about 1638.6947314212.

The spelling of 4400420429 in words is "four billion, four hundred million, four hundred twenty thousand, four hundred twenty-nine".