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44412040104040 = 23572928031951289
BaseRepresentation
bin10100001100100011110111…
…10111111100100001101000
312211020202020102202201222201
422012101323313330201220
521310121324231312130
6234242335355425544
712232443520125040
oct1206217367744150
9184222212681881
1044412040104040
1113173049901444
124b934264552b4
131ba206426803b
14ad77a8a78720
155203d4613bca
hex28647bdfc868

44412040104040 has 128 divisors (see below), whose sum is σ = 118182610656000. Its totient is φ = 14696664127488.

The previous prime is 44412040103863. The next prime is 44412040104143. The reversal of 44412040104040 is 4040104021444.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21784716 + ... + 23736004.

It is an arithmetic number, because the mean of its divisors is an integer number (923301645750).

Almost surely, 244412040104040 is an apocalyptic number.

44412040104040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44412040104040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59091305328000).

44412040104040 is an abundant number, since it is smaller than the sum of its proper divisors (73770570551960).

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

44412040104040 is a wasteful number, since it uses less digits than its factorization.

44412040104040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1954139 (or 1954135 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 44412040104040 its reverse (4040104021444), we get a palindrome (48452144125484).

The spelling of 44412040104040 in words is "forty-four trillion, four hundred twelve billion, forty million, one hundred four thousand, forty".

Divisors: 1 2 4 5 7 8 10 14 20 28 29 35 40 56 58 70 116 140 145 203 232 280 290 406 580 812 1015 1160 1624 2030 2803 4060 5606 8120 11212 14015 19621 22424 28030 39242 56060 78484 81287 98105 112120 156968 162574 196210 325148 392420 406435 569009 650296 784840 812870 1138018 1625740 1951289 2276036 2845045 3251480 3902578 4552072 5690090 7805156 9756445 11380180 13659023 15610312 19512890 22760360 27318046 39025780 54636092 56587381 68295115 78051560 109272184 113174762 136590230 226349524 273180460 282936905 396111667 452699048 546360920 565873810 792223334 1131747620 1584446668 1980558335 2263495240 3168893336 3961116670 5469463067 7922233340 10938926134 15844466680 21877852268 27347315335 38286241469 43755704536 54694630670 76572482938 109389261340 153144965876 158614428943 191431207345 218778522680 306289931752 317228857886 382862414690 634457715772 765724829380 793072144715 1110301002601 1268915431544 1531449658760 1586144289430 2220602005202 3172288578860 4441204010404 5551505013005 6344577157720 8882408020808 11103010026010 22206020052020 44412040104040