440885449 has 2 divisors, whose sum is σ = 440885450. Its totient is φ = 440885448.

The previous prime is 440885399. The next prime is 440885461. The reversal of 440885449 is 944588044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 230432400 + 210453049 = 15180^2 + 14507^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-440885449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 440885399 and 440885408.

It is not a weakly prime, because it can be changed into another prime (440885849) 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, 220442724 + 220442725.

It is an arithmetic number, because the mean of its divisors is an integer number (220442725).

Almost surely, 2^440885449 is an apocalyptic number.

It is an amenable number.

440885449 is a deficient number, since it is larger than the sum of its proper divisors (1).

440885449 is an equidigital number, since it uses as much as digits as its factorization.

440885449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 737280, while the sum is 46.

The square root of 440885449 is about 20997.2724181023. The cubic root of 440885449 is about 761.1003503636.

The spelling of 440885449 in words is "four hundred forty million, eight hundred eighty-five thousand, four hundred forty-nine".