Search a number
-
+
40444001200 = 24523131710289
BaseRepresentation
bin100101101010101001…
…100111101110110000
310212101121112010122101
4211222221213232300
51130312131014300
630325115150144
72631145223641
oct455251475660
9125347463571
1040444001200
1116174647789
127a08745354
133a7705b975
141d595476c8
1510ba98cb6a
hex96aa67bb0

40444001200 has 120 divisors (see below), whose sum is σ = 100627309440. Its totient is φ = 15604838400.

The previous prime is 40444001189. The next prime is 40444001233. The reversal of 40444001200 is 210044404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3925656 + ... + 3935944.

It is an arithmetic number, because the mean of its divisors is an integer number (838560912).

Almost surely, 240444001200 is an apocalyptic number.

40444001200 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 40444001200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50313654720).

40444001200 is an abundant number, since it is smaller than the sum of its proper divisors (60183308240).

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

40444001200 is a wasteful number, since it uses less digits than its factorization.

40444001200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10655 (or 10644 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 40444001200 its reverse (210044404), we get a palindrome (40654045604).

The spelling of 40444001200 in words is "forty billion, four hundred forty-four million, one thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 31 40 50 62 80 100 124 155 200 248 310 317 400 496 620 634 775 1240 1268 1550 1585 2480 2536 3100 3170 5072 6200 6340 7925 9827 10289 12400 12680 15850 19654 20578 25360 31700 39308 41156 49135 51445 63400 78616 82312 98270 102890 126800 157232 164624 196540 205780 245675 257225 318959 393080 411560 491350 514450 637918 786160 823120 982700 1028900 1275836 1594795 1965400 2057800 2551672 3189590 3261613 3930800 4115600 5103344 6379180 6523226 7973975 12758360 13046452 15947950 16308065 25516720 26092904 31895900 32616130 52185808 63791800 65232260 81540325 101110003 127583600 130464520 163080650 202220006 260929040 326161300 404440012 505550015 652322600 808880024 1011100030 1304645200 1617760048 2022200060 2527750075 4044400120 5055500150 8088800240 10111000300 20222000600 40444001200