440350769 has 2 divisors, whose sum is σ = 440350770. Its totient is φ = 440350768.

The previous prime is 440350721. The next prime is 440350817. The reversal of 440350769 is 967053044.

It is a balanced prime because it is at equal distance from previous prime (440350721) and next prime (440350817).

It can be written as a sum of positive squares in only one way, i.e., 365268544 + 75082225 = 19112^2 + 8665^2 .

It is a cyclic number.

It is not a de Polignac number, because 440350769 - 2⁸ = 440350513 is a prime.

It is a super-2 number, since 2×440350769² = 387817599517782722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (440350969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220175384 + 220175385.

It is an arithmetic number, because the mean of its divisors is an integer number (220175385).

Almost surely, 2^440350769 is an apocalyptic number.

It is an amenable number.

440350769 is a deficient number, since it is larger than the sum of its proper divisors (1).

440350769 is an equidigital number, since it uses as much as digits as its factorization.

440350769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 440350769 is about 20984.5364256635. The cubic root of 440350769 is about 760.7925532902.

The spelling of 440350769 in words is "four hundred forty million, three hundred fifty thousand, seven hundred sixty-nine".