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444404044000 = 2553715871573
BaseRepresentation
bin1100111011110001000…
…10111001000011100000
31120111002021121112010001
412131320202321003200
524240114413402000
6540053440545344
744051514022150
oct6357042710340
91514067545101
10444404044000
1116151a551924
1272166022254
1332ba3c3b4a7
141771b61c760
15b85ed6746a
hex67788b90e0

444404044000 has 96 divisors (see below), whose sum is σ = 1247886634176. Its totient is φ = 152367091200.

The previous prime is 444404043997. The next prime is 444404044109. The reversal of 444404044000 is 440404444.

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

It is a self number, because there is not a number n which added to its sum of digits gives 444404044000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7907787 + ... + 7963786.

It is an arithmetic number, because the mean of its divisors is an integer number (12998819106).

Almost surely, 2444404044000 is an apocalyptic number.

444404044000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

444404044000 is an abundant number, since it is smaller than the sum of its proper divisors (803482590176).

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

444404044000 is a wasteful number, since it uses less digits than its factorization.

444404044000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15871605 (or 15871587 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 444404044000 its reverse (440404444), we get a palindrome (444844448444).

The spelling of 444404044000 in words is "four hundred forty-four billion, four hundred four million, forty-four thousand".

Divisors: 1 2 4 5 7 8 10 14 16 20 25 28 32 35 40 50 56 70 80 100 112 125 140 160 175 200 224 250 280 350 400 500 560 700 800 875 1000 1120 1400 1750 2000 2800 3500 4000 5600 7000 14000 28000 15871573 31743146 63486292 79357865 111101011 126972584 158715730 222202022 253945168 317431460 396789325 444404044 507890336 555505055 634862920 793578650 888808088 1111010110 1269725840 1587157300 1777616176 1983946625 2222020220 2539451680 2777525275 3174314600 3555232352 3967893250 4444040440 5555050550 6348629200 7935786500 8888080880 11110101100 12697258400 13887626375 15871573000 17776161760 22220202200 27775252750 31743146000 44440404400 55550505500 63486292000 88880808800 111101011000 222202022000 444404044000