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440440332005 = 5103698495329
BaseRepresentation
bin1100110100011000100…
…10100001111011100101
31120002212001012002110002
412122030102201323211
524204010211111010
6534200244511045
743551344023412
oct6321422417345
91502761162402
10440440332005
1115a8760a3393
127143a6ab485
13326c19b3b8b
1417463033109
15b6cbdae1a5
hex668c4a1ee5

440440332005 has 8 divisors (see below), whose sum is σ = 528579432600. Its totient is φ = 352318242816.

The previous prime is 440440332001. The next prime is 440440332011. The reversal of 440440332005 is 500233044044.

It can be written as a sum of positive squares in 4 ways, for example, as 9739518721 + 430700813284 = 98689^2 + 656278^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 440440332005 - 22 = 440440332001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440440332001) 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 7 ways as a sum of consecutive naturals, for example, 4195820 + ... + 4299509.

It is an arithmetic number, because the mean of its divisors is an integer number (66072429075).

Almost surely, 2440440332005 is an apocalyptic number.

It is an amenable number.

440440332005 is a deficient number, since it is larger than the sum of its proper divisors (88139100595).

440440332005 is a wasteful number, since it uses less digits than its factorization.

440440332005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8505703.

The product of its (nonzero) digits is 23040, while the sum is 29.

Adding to 440440332005 its reverse (500233044044), we get a palindrome (940673376049).

The spelling of 440440332005 in words is "four hundred forty billion, four hundred forty million, three hundred thirty-two thousand, five".

Divisors: 1 5 10369 51845 8495329 42476645 88088066401 440440332005