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4444044220 = 2257211412249
BaseRepresentation
bin1000010001110001…
…01011101110111100
3102110201020211121101
410020320223232330
533100133403340
62012551142444
7215061516100
oct41070535674
912421224541
104444044220
111980602220
12a40374a24
1355a914585
14302301900
151b0238c9a
hex108e2bbbc

4444044220 has 72 divisors (see below), whose sum is σ = 11843118000. Its totient is φ = 1385153280.

The previous prime is 4444044203. The next prime is 4444044221. The reversal of 4444044220 is 224404444.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4444044221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 195345 + ... + 216904.

It is an arithmetic number, because the mean of its divisors is an integer number (164487750).

Almost surely, 24444044220 is an apocalyptic number.

It is an amenable number.

4444044220 is an abundant number, since it is smaller than the sum of its proper divisors (7399073780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4444044220 is a wasteful number, since it uses less digits than its factorization.

4444044220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412283 (or 412274 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

The square root of 4444044220 is about 66663.6649157545. The cubic root of 4444044220 is about 1644.0920294877.

Adding to 4444044220 its reverse (224404444), we get a palindrome (4668448664).

The spelling of 4444044220 in words is "four billion, four hundred forty-four million, forty-four thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 11 14 20 22 28 35 44 49 55 70 77 98 110 140 154 196 220 245 308 385 490 539 770 980 1078 1540 2156 2695 5390 10780 412249 824498 1648996 2061245 2885743 4122490 4534739 5771486 8244980 9069478 11542972 14428715 18138956 20200201 22673695 28857430 31743173 40400402 45347390 57714860 63486346 80800804 90694780 101001005 126972692 158715865 202002010 222202211 317431730 404004020 444404422 634863460 888808844 1111011055 2222022110 4444044220