440543025413 has 2 divisors, whose sum is σ = 440543025414. Its totient is φ = 440543025412.

The previous prime is 440543025379. The next prime is 440543025431. The reversal of 440543025413 is 314520345044.

Together with next prime (440543025431) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 439260096289 + 1282929124 = 662767^2 + 35818^2 .

It is a cyclic number.

It is not a de Polignac number, because 440543025413 - 2⁸ = 440543025157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440543025913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220271512706 + 220271512707.

It is an arithmetic number, because the mean of its divisors is an integer number (220271512707).

Almost surely, 2^440543025413 is an apocalyptic number.

It is an amenable number.

440543025413 is a deficient number, since it is larger than the sum of its proper divisors (1).

440543025413 is an equidigital number, since it uses as much as digits as its factorization.

440543025413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 115200, while the sum is 35.

The spelling of 440543025413 in words is "four hundred forty billion, five hundred forty-three million, twenty-five thousand, four hundred thirteen".