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44006642220 = 223518122717851
BaseRepresentation
bin101000111111000000…
…000001001000101100
311012120220021001100210
4220333000001020230
51210111200022340
632114423022420
73115345200312
oct507700011054
9135526231323
1044006642220
1117732669702
12864189aa10
1341c418b388
1421b67700b2
151228620180
hexa3f00122c

44006642220 has 96 divisors (see below), whose sum is σ = 124452147456. Its totient is φ = 11618208000.

The previous prime is 44006642203. The next prime is 44006642243. The reversal of 44006642220 is 2224660044.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2456295 + ... + 2474145.

It is an arithmetic number, because the mean of its divisors is an integer number (1296376536).

Almost surely, 244006642220 is an apocalyptic number.

It is an amenable number.

44006642220 is an abundant number, since it is smaller than the sum of its proper divisors (80445505236).

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

44006642220 is a wasteful number, since it uses less digits than its factorization.

44006642220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18271 (or 18269 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

The spelling of 44006642220 in words is "forty-four billion, six million, six hundred forty-two thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 181 227 362 454 543 681 724 905 908 1086 1135 1362 1810 2172 2270 2715 2724 3405 3620 4540 5430 6810 10860 13620 17851 35702 41087 53553 71404 82174 89255 107106 123261 164348 178510 205435 214212 246522 267765 357020 410870 493044 535530 616305 821740 1071060 1232610 2465220 3231031 4052177 6462062 8104354 9693093 12156531 12924124 16155155 16208708 19386186 20260885 24313062 32310310 38772372 40521770 48465465 48626124 60782655 64620620 81043540 96930930 121565310 193861860 243130620 733444037 1466888074 2200332111 2933776148 3667220185 4400664222 7334440370 8801328444 11001660555 14668880740 22003321110 44006642220