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10440322113440 = 255299341240881
BaseRepresentation
bin1001011111101101001110…
…1100001101111110100000
31100222002021222222012220002
42113323103230031332200
52332023234430112230
634112115012035132
72125200625506332
oct227732354157640
940862258865802
1010440322113440
11336579672200a
1212074a2902aa8
135a96974ba28b
1428145858b452
1513189b74e545
hex97ed3b0dfa0

10440322113440 has 96 divisors (see below), whose sum is σ = 25518624762960. Its totient is φ = 4031676006400.

The previous prime is 10440322113437. The next prime is 10440322113443. The reversal of 10440322113440 is 4431122304401.

It is an interprime number because it is at equal distance from previous prime (10440322113437) and next prime (10440322113443).

It can be written as a sum of positive squares in 8 ways, for example, as 3640723492624 + 6799598620816 = 1908068^2 + 2607604^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (10440322113443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43221800 + ... + 43462680.

Almost surely, 210440322113440 is an apocalyptic number.

10440322113440 is a gapful number since it is divisible by the number (10) 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 10440322113440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12759312381480).

10440322113440 is an abundant number, since it is smaller than the sum of its proper divisors (15078302649520).

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

10440322113440 is a wasteful number, since it uses less digits than its factorization.

10440322113440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250266 (or 250258 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 10440322113440 its reverse (4431122304401), we get a palindrome (14871444417841).

The spelling of 10440322113440 in words is "ten trillion, four hundred forty billion, three hundred twenty-two million, one hundred thirteen thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 29 32 40 58 80 116 145 160 232 290 464 580 928 1160 2320 4640 9341 18682 37364 46705 74728 93410 149456 186820 240881 270889 298912 373640 481762 541778 747280 963524 1083556 1204405 1354445 1494560 1927048 2167112 2408810 2708890 3854096 4334224 4817620 5417780 6985549 7708192 8668448 9635240 10835560 13971098 19270480 21671120 27942196 34927745 38540960 43342240 55884392 69855490 111768784 139710980 223537568 279421960 558843920 1117687840 2250069421 4500138842 9000277684 11250347105 18000555368 22500694210 36001110736 45001388420 65252013209 72002221472 90002776840 130504026418 180005553680 261008052836 326260066045 360011107360 522016105672 652520132090 1044032211344 1305040264180 2088064422688 2610080528360 5220161056720 10440322113440