40845181441 has 2 divisors, whose sum is σ = 40845181442. Its totient is φ = 40845181440.

The previous prime is 40845181423. The next prime is 40845181459. The reversal of 40845181441 is 14418154804.

It is a balanced prime because it is at equal distance from previous prime (40845181423) and next prime (40845181459).

It can be written as a sum of positive squares in only one way, i.e., 21218292225 + 19626889216 = 145665^2 + 140096^2 .

It is a cyclic number.

It is not a de Polignac number, because 40845181441 - 2¹¹ = 40845179393 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40845181394 and 40845181403.

It is not a weakly prime, because it can be changed into another prime (40845181471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20422590720 + 20422590721.

It is an arithmetic number, because the mean of its divisors is an integer number (20422590721).

Almost surely, 2^40845181441 is an apocalyptic number.

It is an amenable number.

40845181441 is a deficient number, since it is larger than the sum of its proper divisors (1).

40845181441 is an equidigital number, since it uses as much as digits as its factorization.

40845181441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81920, while the sum is 40.

The spelling of 40845181441 in words is "forty billion, eight hundred forty-five million, one hundred eighty-one thousand, four hundred forty-one".