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551040425042450 = 25272683862338189
BaseRepresentation
bin111110101001010110001100…
…0110010101010001000010010
32200021001221122200000021011212
41331102230120302222020102
51034211221242302324300
65231544250534340122
7224032233265500500
oct17522543062521022
92607057580007155
10551040425042450
1114a63aa28384542
12519773ab4ba642
131a861b73503955
149a106dacbb670
1543a8c5cc69935
hex1f52b18caa212

551040425042450 has 144 divisors (see below), whose sum is σ = 1194186925895040. Its totient is φ = 188624713495680.

The previous prime is 551040425042431. The next prime is 551040425042483. The reversal of 551040425042450 is 54240524040155.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 551040425042398 and 551040425042407.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 14429277956 + ... + 14429316144.

It is an arithmetic number, because the mean of its divisors is an integer number (8292964763160).

Almost surely, 2551040425042450 is an apocalyptic number.

551040425042450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

551040425042450 is an abundant number, since it is smaller than the sum of its proper divisors (643146500852590).

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

551040425042450 is a wasteful number, since it uses less digits than its factorization.

551040425042450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47521 (or 47509 counting only the distinct ones).

The product of its (nonzero) digits is 640000, while the sum is 41.

The spelling of 551040425042450 in words is "five hundred fifty-one trillion, forty billion, four hundred twenty-five million, forty-two thousand, four hundred fifty".

Divisors: 1 2 5 7 10 14 25 35 49 50 70 98 175 245 350 490 683 1225 1366 2450 3415 4781 6830 8623 9562 17075 17246 23905 33467 34150 38189 43115 47810 60361 66934 76378 86230 119525 120722 167335 190945 215575 239050 267323 301805 334670 381890 422527 431150 534646 603610 836675 845054 954725 1336615 1509025 1673350 1871261 1909450 2112635 2673230 3018050 3742522 4225270 5889509 6683075 9356305 10563175 11779018 13366150 18712610 21126350 26083087 29447545 41226563 46781525 52166174 58895090 82453126 93563050 130415435 147237725 182581609 206132815 260830870 288585941 294475450 329303747 365163218 412265630 577171882 652077175 658607494 912908045 1030664075 1278071263 1304154350 1442929705 1646518735 1825816090 2061328150 2305126229 2556142526 2885859410 3293037470 4564540225 4610252458 6390356315 7214648525 8232593675 9129080450 11525631145 12780712630 14429297050 16135883603 16465187350 23051262290 31951781575 32271767206 57628155725 63903563150 80679418015 115256311450 161358836030 224914459201 403397090075 449828918402 806794180150 1124572296005 1574401214407 2249144592010 3148802428814 5622861480025 7872006072035 11020808500849 11245722960050 15744012144070 22041617001698 39360030360175 55104042504245 78720060720350 110208085008490 275520212521225 551040425042450