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4489143680 = 275719232293
BaseRepresentation
bin1000010111001001…
…01110010110000000
3102120212010010102202
410023210232112000
533143210044210
62021241532332
7216150043310
oct41344562600
912525103382
104489143680
1119a40060aa
12a534a40a8
13567075248
143082c1440
151b41969a5
hex10b92e580

4489143680 has 256 divisors, whose sum is σ = 13477708800. Its totient is φ = 1394122752.

The previous prime is 4489143671. The next prime is 4489143683. The reversal of 4489143680 is 863419844.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4489143683) by changing a digit.

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, 1956614 + ... + 1958906.

It is an arithmetic number, because the mean of its divisors is an integer number (52647300).

Almost surely, 24489143680 is an apocalyptic number.

4489143680 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 4489143680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6738854400).

4489143680 is an abundant number, since it is smaller than the sum of its proper divisors (8988565120).

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

4489143680 is a wasteful number, since it uses less digits than its factorization.

4489143680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2361 (or 2349 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 47.

The square root of 4489143680 is about 67001.0722302263. The cubic root of 4489143680 is about 1649.6348968732.

The spelling of 4489143680 in words is "four billion, four hundred eighty-nine million, one hundred forty-three thousand, six hundred eighty".