440341513 has 2 divisors, whose sum is σ = 440341514. Its totient is φ = 440341512.

The previous prime is 440341501. The next prime is 440341537. The reversal of 440341513 is 315143044.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 374925769 + 65415744 = 19363^2 + 8088^2 .

It is a cyclic number.

It is not a de Polignac number, because 440341513 - 2⁹ = 440341001 is a prime.

It is a super-2 number, since 2×440341513² = 387801296142258338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (440341313) 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, 220170756 + 220170757.

It is an arithmetic number, because the mean of its divisors is an integer number (220170757).

Almost surely, 2^440341513 is an apocalyptic number.

It is an amenable number.

440341513 is a deficient number, since it is larger than the sum of its proper divisors (1).

440341513 is an equidigital number, since it uses as much as digits as its factorization.

440341513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 440341513 is about 20984.3158811528. The cubic root of 440341513 is about 760.7872227328.

Adding to 440341513 its reverse (315143044), we get a palindrome (755484557).

The spelling of 440341513 in words is "four hundred forty million, three hundred forty-one thousand, five hundred thirteen".