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44440040399987 is a prime number
BaseRepresentation
bin10100001101011000000001…
…10100100110010001110011
312211100102111211021011002202
422012230000310212101303
521311101200320244422
6234303250035133415
712234454425533651
oct1206540064462163
9184312454234082
1044440040399987
1113183a082901a1
124b9893b74426b
131ba48a725a6ab
14ad8ca36a3dd1
15520ec28d7b92
hex286b00d26473

44440040399987 has 2 divisors, whose sum is σ = 44440040399988. Its totient is φ = 44440040399986.

The previous prime is 44440040399977. The next prime is 44440040400029. The reversal of 44440040399987 is 78999304004444.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 44440040399987 - 28 = 44440040399731 is a prime.

It is not a weakly prime, because it can be changed into another prime (44440040399947) 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, 22220020199993 + 22220020199994.

It is an arithmetic number, because the mean of its divisors is an integer number (22220020199994).

Almost surely, 244440040399987 is an apocalyptic number.

44440040399987 is a deficient number, since it is larger than the sum of its proper divisors (1).

44440040399987 is an equidigital number, since it uses as much as digits as its factorization.

44440040399987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 125411328, while the sum is 65.

The spelling of 44440040399987 in words is "forty-four trillion, four hundred forty billion, forty million, three hundred ninety-nine thousand, nine hundred eighty-seven".