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4444131320 = 2351272233923
BaseRepresentation
bin1000010001110010…
…00000111111111000
3102110201102021002022
410020321000333320
533100144200240
62012553054012
7215062331036
oct41071007770
912421367068
104444131320
111980661702
12a403b7308
1355a945105
14302325556
151b02549b5
hex108e40ff8

4444131320 has 64 divisors (see below), whose sum is σ = 10125803520. Its totient is φ = 1755298944.

The previous prime is 4444131319. The next prime is 4444131337. The reversal of 4444131320 is 231314444.

It is a self number, because there is not a number n which added to its sum of digits gives 4444131320.

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, 1130879 + ... + 1134801.

It is an arithmetic number, because the mean of its divisors is an integer number (158215680).

Almost surely, 24444131320 is an apocalyptic number.

4444131320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4444131320 is an abundant number, since it is smaller than the sum of its proper divisors (5681672200).

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

4444131320 is a wasteful number, since it uses less digits than its factorization.

4444131320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4284 (or 4280 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 4444131320 is about 66664.3181919683. The cubic root of 4444131320 is about 1644.1027704159.

Adding to 4444131320 its reverse (231314444), we get a palindrome (4675445764).

The spelling of 4444131320 in words is "four billion, four hundred forty-four million, one hundred thirty-one thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 127 223 254 446 508 635 892 1016 1115 1270 1784 2230 2540 3923 4460 5080 7846 8920 15692 19615 28321 31384 39230 56642 78460 113284 141605 156920 226568 283210 498221 566420 874829 996442 1132840 1749658 1992884 2491105 3499316 3985768 4374145 4982210 6998632 8748290 9964420 17496580 19928840 34993160 111103283 222206566 444413132 555516415 888826264 1111032830 2222065660 4444131320