440640000001 has 16 divisors (see below), whose sum is σ = 447466440960. Its totient is φ = 433846033920.

The previous prime is 440639999927. The next prime is 440640000013. The reversal of 440640000001 is 100000046044.

It is a cyclic number.

It is not a de Polignac number, because 440640000001 - 2¹⁹ = 440639475713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (440640100001) 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 in 15 ways as a sum of consecutive naturals, for example, 82777726 + ... + 82783048.

It is an arithmetic number, because the mean of its divisors is an integer number (27966652560).

Almost surely, 2^440640000001 is an apocalyptic number.

It is an amenable number.

440640000001 is a deficient number, since it is larger than the sum of its proper divisors (6826440959).

440640000001 is a wasteful number, since it uses less digits than its factorization.

440640000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8136.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 440640000001 its reverse (100000046044), we get a palindrome (540640046045).

The spelling of 440640000001 in words is "four hundred forty billion, six hundred forty million, one", and thus it is an aban number.