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44000544000400 = 24521310977629753
BaseRepresentation
bin10100000000100101011001…
…10010111000100110010000
312202210102002120020210111121
422000102230302320212100
521231401103231003100
6233325323150052024
712160635333012631
oct1200225462704620
9182712076223447
1044000544000400
1113024586aa6249
124b277251aa014
131b72305cb2910
14ac18cdb85888
1551484d83251a
hex2804accb8990

44000544000400 has 120 divisors (see below), whose sum is σ = 114887378134760. Its totient is φ = 16097305374720.

The previous prime is 44000544000353. The next prime is 44000544000401. The reversal of 44000544000400 is 400044500044.

It can be written as a sum of positive squares in 12 ways, for example, as 24777019433104 + 19223524567296 = 4977652^2 + 4384464^2 .

It is a super-2 number, since 2×440005440004002 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (44000544000401) 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, 38248077 + ... + 39381676.

Almost surely, 244000544000400 is an apocalyptic number.

44000544000400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44000544000400 is an abundant number, since it is smaller than the sum of its proper divisors (70886834134360).

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

44000544000400 is a wasteful number, since it uses less digits than its factorization.

44000544000400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77629893 (or 77629882 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 25.

Adding to 44000544000400 its reverse (400044500044), we get a palindrome (44400588500444).

The spelling of 44000544000400 in words is "forty-four trillion, five hundred forty-four million, four hundred", and thus it is an aban number.

Divisors: 1 2 4 5 8 10 13 16 20 25 26 40 50 52 65 80 100 104 109 130 200 208 218 260 325 400 436 520 545 650 872 1040 1090 1300 1417 1744 2180 2600 2725 2834 4360 5200 5450 5668 7085 8720 10900 11336 14170 21800 22672 28340 35425 43600 56680 70850 113360 141700 283400 566800 77629753 155259506 310519012 388148765 621038024 776297530 1009186789 1242076048 1552595060 1940743825 2018373578 3105190120 3881487650 4036747156 5045933945 6210380240 7762975300 8073494312 8461643077 10091867890 15525950600 16146988624 16923286154 20183735780 25229669725 31051901200 33846572308 40367471560 42308215385 50459339450 67693144616 80734943120 84616430770 100918678900 110001360001 135386289232 169232861540 201837357800 211541076925 220002720002 338465723080 403674715600 423082153850 440005440004 550006800005 676931446160 846164307700 880010880008 1100013600010 1692328615400 1760021760016 2200027200020 2750034000025 3384657230800 4400054400040 5500068000050 8800108800080 11000136000100 22000272000200 44000544000400