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8444428244448 = 253733137964089
BaseRepresentation
bin111101011100001111100…
…1001010101010111100000
31002220021112201112102202020
41322320133021111113200
52101323142112310243
625543152231421440
71531042542523560
oct172703711252740
932807481472666
108444428244448
112766297664229
12b44705b24880
134933c9856931
142129d919ada0
15e99d3ead283
hex7ae1f2555e0

8444428244448 has 96 divisors (see below), whose sum is σ = 25409821006080. Its totient is φ = 2405404615680.

The previous prime is 8444428244443. The next prime is 8444428244501.

8444428244448 is nontrivially palindromic in base 10.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×84444282444482 (a number of 27 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 8444428244391 and 8444428244400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8444428244443) 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, 18759613 + ... + 19204476.

It is an arithmetic number, because the mean of its divisors is an integer number (264685635480).

Almost surely, 28444428244448 is an apocalyptic number.

It is an amenable number.

8444428244448 is an abundant number, since it is smaller than the sum of its proper divisors (16965392761632).

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

8444428244448 is a wasteful number, since it uses less digits than its factorization.

8444428244448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37964440 (or 37964432 counting only the distinct ones).

The product of its digits is 134217728, while the sum is 60.

The spelling of 8444428244448 in words is "eight trillion, four hundred forty-four billion, four hundred twenty-eight million, two hundred forty-four thousand, four hundred forty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 84 96 112 168 224 331 336 662 672 993 1324 1986 2317 2648 3972 4634 5296 6951 7944 9268 10592 13902 15888 18536 27804 31776 37072 55608 74144 111216 222432 37964089 75928178 113892267 151856356 227784534 265748623 303712712 455569068 531497246 607425424 797245869 911138136 1062994492 1214850848 1594491738 1822276272 2125988984 3188983476 3644552544 4251977968 6377966952 8503955936 12566113459 12755933904 25132226918 25511867808 37698340377 50264453836 75396680754 87962794213 100528907672 150793361508 175925588426 201057815344 263888382639 301586723016 351851176852 402115630688 527776765278 603173446032 703702353704 1055553530556 1206346892064 1407404707408 2111107061112 2814809414816 4222214122224 8444428244448