440189699 has 2 divisors, whose sum is σ = 440189700. Its totient is φ = 440189698.

The previous prime is 440189689. The next prime is 440189707. The reversal of 440189699 is 996981044.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 440189699 - 2⁴ = 440189683 is a prime.

It is a super-3 number, since 3×440189699³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (440189689) 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, 220094849 + 220094850.

It is an arithmetic number, because the mean of its divisors is an integer number (220094850).

Almost surely, 2^440189699 is an apocalyptic number.

440189699 is a deficient number, since it is larger than the sum of its proper divisors (1).

440189699 is an equidigital number, since it uses as much as digits as its factorization.

440189699 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 559872, while the sum is 50.

The square root of 440189699 is about 20980.6982486284. The cubic root of 440189699 is about 760.6997819444.

The spelling of 440189699 in words is "four hundred forty million, one hundred eighty-nine thousand, six hundred ninety-nine".