440101 has 2 divisors, whose sum is σ = 440102. Its totient is φ = 440100.

The previous prime is 440093. The next prime is 440131. The reversal of 440101 is 101044.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 280900 + 159201 = 530^2 + 399^2 .

It is a cyclic number.

It is not a de Polignac number, because 440101 - 2³ = 440093 is a prime.

It is a Chen prime.

440101 is a modest number, since divided by 101 gives 44 as remainder.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220050 + 220051.

It is an arithmetic number, because the mean of its divisors is an integer number (220051).

2⁴⁴⁰¹⁰¹ is an apocalyptic number.

It is an amenable number.

440101 is a deficient number, since it is larger than the sum of its proper divisors (1).

440101 is an equidigital number, since it uses as much as digits as its factorization.

440101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 440101 is about 663.4010853172. The cubic root of 440101 is about 76.0648684397.

Adding to 440101 its reverse (101044), we get a palindrome (541145).

The spelling of 440101 in words is "four hundred forty thousand, one hundred one", and thus it is an iban number.