440000649705 has 32 divisors (see below), whose sum is σ = 715666694400. Its totient is φ = 230779802880.

The previous prime is 440000649623. The next prime is 440000649743. The reversal of 440000649705 is 507946000044.

It is a happy number.

It is not a de Polignac number, because 440000649705 - 2²⁸ = 439732214249 is a prime.

It is a super-4 number, since 4×440000649705⁴ (a number of 48 digits) contains 4444 as substring.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 5633299 + ... + 5710871.

It is an arithmetic number, because the mean of its divisors is an integer number (22364584200).

Almost surely, 2^440000649705 is an apocalyptic number.

It is an amenable number.

440000649705 is a deficient number, since it is larger than the sum of its proper divisors (275666044695).

440000649705 is a wasteful number, since it uses less digits than its factorization.

440000649705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83841.

The product of its (nonzero) digits is 120960, while the sum is 39.

Adding to 440000649705 its reverse (507946000044), we get a palindrome (947946649749).

The spelling of 440000649705 in words is "four hundred forty billion, six hundred forty-nine thousand, seven hundred five".