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40488321659 is a prime number
BaseRepresentation
bin100101101101010010…
…101100001001111011
310212111200220211212212
4211231102230021323
51130410002243114
630333341125335
72632224025052
oct455522541173
9125450824785
1040488321659
1116197669365
127a1b55984b
133a832a8ba6
141d613a3399
1510be7e4b3e
hex96d4ac27b

40488321659 has 2 divisors, whose sum is σ = 40488321660. Its totient is φ = 40488321658.

The previous prime is 40488321647. The next prime is 40488321661. The reversal of 40488321659 is 95612388404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40488321659 - 28 = 40488321403 is a prime.

Together with 40488321661, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40488321859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20244160829 + 20244160830.

It is an arithmetic number, because the mean of its divisors is an integer number (20244160830).

Almost surely, 240488321659 is an apocalyptic number.

40488321659 is a deficient number, since it is larger than the sum of its proper divisors (1).

40488321659 is an equidigital number, since it uses as much as digits as its factorization.

40488321659 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1658880, while the sum is 50.

The spelling of 40488321659 in words is "forty billion, four hundred eighty-eight million, three hundred twenty-one thousand, six hundred fifty-nine".