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440413403421441 = 3643764812985209
BaseRepresentation
bin110010000100011011011110…
…0011101110001101100000001
32010202101002222022122212002110
41210020312330131301230001
5430211213122233441231
64200403042513205533
7161523550462056462
oct14410667435615401
92122332868585073
10440413403421441
1111836930374aa6a
124148b0998608a9
1315b98a62294248
147aa81a0066d69
1535db26b2d3046
hex1908dbc771b01

440413403421441 has 16 divisors (see below), whose sum is σ = 588139005222720. Its totient is φ = 293148380866560.

The previous prime is 440413403421401. The next prime is 440413403421491. The reversal of 440413403421441 is 144124304314044.

It is not a de Polignac number, because 440413403421441 - 217 = 440413403290369 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 440413403421441.

It is not an unprimeable number, because it can be changed into a prime (440413403421401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146039245 + ... + 149024453.

It is an arithmetic number, because the mean of its divisors is an integer number (36758687826420).

Almost surely, 2440413403421441 is an apocalyptic number.

It is an amenable number.

440413403421441 is a deficient number, since it is larger than the sum of its proper divisors (147725601801279).

440413403421441 is a wasteful number, since it uses less digits than its factorization.

440413403421441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3062336.

The product of its (nonzero) digits is 294912, while the sum is 39.

Adding to 440413403421441 its reverse (144124304314044), we get a palindrome (584537707735485).

The spelling of 440413403421441 in words is "four hundred forty trillion, four hundred thirteen billion, four hundred three million, four hundred twenty-one thousand, four hundred forty-one".

Divisors: 1 3 643 1929 76481 229443 2985209 8955627 49177283 147531849 1919489387 5758468161 228311769529 684935308587 146804467807147 440413403421441