440232349 has 2 divisors, whose sum is σ = 440232350. Its totient is φ = 440232348.

The previous prime is 440232313. The next prime is 440232379. The reversal of 440232349 is 943232044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 329604025 + 110628324 = 18155^2 + 10518^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-440232349 is a prime.

It is a super-2 number, since 2×440232349² = 387609042212115602, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 440232349.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440232379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220116174 + 220116175.

It is an arithmetic number, because the mean of its divisors is an integer number (220116175).

Almost surely, 2^440232349 is an apocalyptic number.

It is an amenable number.

440232349 is a deficient number, since it is larger than the sum of its proper divisors (1).

440232349 is an equidigital number, since it uses as much as digits as its factorization.

440232349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 440232349 is about 20981.7146344144. The cubic root of 440232349 is about 760.7243492298.

The spelling of 440232349 in words is "four hundred forty million, two hundred thirty-two thousand, three hundred forty-nine".