440344001 has 2 divisors, whose sum is σ = 440344002. Its totient is φ = 440344000.

The previous prime is 440343997. The next prime is 440344007. The reversal of 440344001 is 100443044.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 376360000 + 63984001 = 19400^2 + 7999^2 .

It is a cyclic number.

It is not a de Polignac number, because 440344001 - 2² = 440343997 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (440344007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220172000 + 220172001.

It is an arithmetic number, because the mean of its divisors is an integer number (220172001).

Almost surely, 2^440344001 is an apocalyptic number.

It is an amenable number.

440344001 is a deficient number, since it is larger than the sum of its proper divisors (1).

440344001 is an equidigital number, since it uses as much as digits as its factorization.

440344001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 440344001 is about 20984.3751634401. The cubic root of 440344001 is about 760.7886555866.

Adding to 440344001 its reverse (100443044), we get a palindrome (540787045).

The spelling of 440344001 in words is "four hundred forty million, three hundred forty-four thousand, one".