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8440405070000 = 24544319628849
BaseRepresentation
bin111101011010010111101…
…0110001001000010110000
31002212220011100012222221012
41322310233112021002300
52101241422144220000
625541245113050052
71530541051230161
oct172645726110260
932786140188835
108440405070000
112764612691772
12b439826b6928
13492c081acc37
14212736b33768
15e984abab735
hex7ad2f5890b0

8440405070000 has 100 divisors (see below), whose sum is σ = 20910299843400. Its totient is φ = 3297646464000.

The previous prime is 8440405069963. The next prime is 8440405070033. The reversal of 8440405070000 is 705040448.

It is a tau number, because it is divible by the number of its divisors (100).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9384425 + ... + 10244424.

It is an arithmetic number, because the mean of its divisors is an integer number (209102998434).

Almost surely, 28440405070000 is an apocalyptic number.

8440405070000 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8440405070000 is an abundant number, since it is smaller than the sum of its proper divisors (12469894773400).

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

8440405070000 is a wasteful number, since it uses less digits than its factorization.

8440405070000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19628920 (or 19628899 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 32.

The spelling of 8440405070000 in words is "eight trillion, four hundred forty billion, four hundred five million, seventy thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 43 50 80 86 100 125 172 200 215 250 344 400 430 500 625 688 860 1000 1075 1250 1720 2000 2150 2500 3440 4300 5000 5375 8600 10000 10750 17200 21500 26875 43000 53750 86000 107500 215000 430000 19628849 39257698 78515396 98144245 157030792 196288490 314061584 392576980 490721225 785153960 844040507 981442450 1570307920 1688081014 1962884900 2453606125 3376162028 3925769800 4220202535 4907212250 6752324056 7851539600 8440405070 9814424500 12268030625 13504648112 16880810140 19628849000 21101012675 24536061250 33761620280 39257698000 42202025350 49072122500 67523240560 84404050700 98144245000 105505063375 168808101400 196288490000 211010126750 337616202800 422020253500 527525316875 844040507000 1055050633750 1688081014000 2110101267500 4220202535000 8440405070000