4402420457 has 2 divisors, whose sum is σ = 4402420458. Its totient is φ = 4402420456.

The previous prime is 4402420423. The next prime is 4402420489. The reversal of 4402420457 is 7540242044.

It is an a-pointer prime, because the next prime (4402420489) can be obtained adding 4402420457 to its sum of digits (32).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3228398761 + 1174021696 = 56819^2 + 34264^2 .

It is a cyclic number.

It is not a de Polignac number, because 4402420457 - 2²⁰ = 4401371881 is a prime.

It is not a weakly prime, because it can be changed into another prime (4402420357) 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, 2201210228 + 2201210229.

It is an arithmetic number, because the mean of its divisors is an integer number (2201210229).

Almost surely, 2^4402420457 is an apocalyptic number.

It is an amenable number.

4402420457 is a deficient number, since it is larger than the sum of its proper divisors (1).

4402420457 is an equidigital number, since it uses as much as digits as its factorization.

4402420457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35840, while the sum is 32.

The square root of 4402420457 is about 66350.7381797671. The cubic root of 4402420457 is about 1638.9429606517.

The spelling of 4402420457 in words is "four billion, four hundred two million, four hundred twenty thousand, four hundred fifty-seven".