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44440006420 = 22522365315259
BaseRepresentation
bin101001011000110101…
…001010111100010100
311020201002201020021201
4221120311022330110
51212003120201140
632225423322244
73132156551635
oct513065127424
9136632636251
1044440006420
1117935252637
128742a50384
134262bb1cb4
14221813b88c
1512516c449a
hexa58d4af14

44440006420 has 48 divisors (see below), whose sum is σ = 93892216320. Its totient is φ = 17668031616.

The previous prime is 44440006417. The next prime is 44440006421. The reversal of 44440006420 is 2460004444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44440006421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2904751 + ... + 2920009.

It is an arithmetic number, because the mean of its divisors is an integer number (1956087840).

Almost surely, 244440006420 is an apocalyptic number.

It is an amenable number.

44440006420 is an abundant number, since it is smaller than the sum of its proper divisors (49452209900).

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

44440006420 is a wasteful number, since it uses less digits than its factorization.

44440006420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16144 (or 16142 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

The spelling of 44440006420 in words is "forty-four billion, four hundred forty million, six thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 223 446 653 892 1115 1306 2230 2612 3265 4460 6530 13060 15259 30518 61036 76295 145619 152590 291238 305180 582476 728095 1456190 2912380 3402757 6805514 9964127 13611028 17013785 19928254 34027570 39856508 49820635 68055140 99641270 199282540 2222000321 4444000642 8888001284 11110001605 22220003210 44440006420