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40044224155471 is a prime number
BaseRepresentation
bin10010001101011100001011…
…10000011000111101001111
312020210012010211110212202121
421012232011300120331033
520222041032340433341
6221100021305233411
711302046130132424
oct1106560560307517
9166705124425677
1040044224155471
1111839729648698
1245a8a09792867
1319462008326b3
149c6217aa9d4b
154969974a54d1
hex246b85c18f4f

40044224155471 has 2 divisors, whose sum is σ = 40044224155472. Its totient is φ = 40044224155470.

The previous prime is 40044224155421. The next prime is 40044224155547. The reversal of 40044224155471 is 17455142244004.

40044224155471 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40044224155471 - 27 = 40044224155343 is a prime.

It is a super-3 number, since 3×400442241554713 (a number of 42 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40044224155421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20022112077735 + 20022112077736.

It is an arithmetic number, because the mean of its divisors is an integer number (20022112077736).

Almost surely, 240044224155471 is an apocalyptic number.

40044224155471 is a deficient number, since it is larger than the sum of its proper divisors (1).

40044224155471 is an equidigital number, since it uses as much as digits as its factorization.

40044224155471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 716800, while the sum is 43.

Adding to 40044224155471 its reverse (17455142244004), we get a palindrome (57499366399475).

The spelling of 40044224155471 in words is "forty trillion, forty-four billion, two hundred twenty-four million, one hundred fifty-five thousand, four hundred seventy-one".