40845181459 has 2 divisors, whose sum is σ = 40845181460. Its totient is φ = 40845181458.

The previous prime is 40845181441. The next prime is 40845181471. The reversal of 40845181459 is 95418154804.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40845181459 - 2¹⁹ = 40844657171 is a prime.

It is not a weakly prime, because it can be changed into another prime (40845181759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20422590729 + 20422590730.

It is an arithmetic number, because the mean of its divisors is an integer number (20422590730).

Almost surely, 2^40845181459 is an apocalyptic number.

40845181459 is a deficient number, since it is larger than the sum of its proper divisors (1).

40845181459 is an equidigital number, since it uses as much as digits as its factorization.

40845181459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 921600, while the sum is 49.

The spelling of 40845181459 in words is "forty billion, eight hundred forty-five million, one hundred eighty-one thousand, four hundred fifty-nine".