440990606629 has 6 divisors (see below), whose sum is σ = 451484706246. Its totient is φ = 430735009320.

The previous prime is 440990606579. The next prime is 440990606653. The reversal of 440990606629 is 926606099044.

It can be written as a sum of positive squares in only one way, i.e., 257934984129 + 183055622500 = 507873^2 + 427850^2 .

It is not a de Polignac number, because 440990606629 - 2¹⁷ = 440990475557 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 440990606629.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440990606659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 119249262 + ... + 119252959.

It is an arithmetic number, because the mean of its divisors is an integer number (75247451041).

Almost surely, 2^440990606629 is an apocalyptic number.

It is an amenable number.

440990606629 is a deficient number, since it is larger than the sum of its proper divisors (10494099617).

440990606629 is an equidigital number, since it uses as much as digits as its factorization.

440990606629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238502307 (or 238502264 counting only the distinct ones).

The product of its (nonzero) digits is 5038848, while the sum is 55.

The spelling of 440990606629 in words is "four hundred forty billion, nine hundred ninety million, six hundred six thousand, six hundred twenty-nine".