440400400459 has 2 divisors, whose sum is σ = 440400400460. Its totient is φ = 440400400458.

The previous prime is 440400400441. The next prime is 440400400481. The reversal of 440400400459 is 954004004044.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 440400400459 - 2¹¹ = 440400398411 is a prime.

It is not a weakly prime, because it can be changed into another prime (440400400409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220200200229 + 220200200230.

It is an arithmetic number, because the mean of its divisors is an integer number (220200200230).

Almost surely, 2^440400400459 is an apocalyptic number.

440400400459 is a deficient number, since it is larger than the sum of its proper divisors (1).

440400400459 is an equidigital number, since it uses as much as digits as its factorization.

440400400459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46080, while the sum is 34.

The spelling of 440400400459 in words is "four hundred forty billion, four hundred million, four hundred thousand, four hundred fifty-nine".