40545337573441 has 2 divisors, whose sum is σ = 40545337573442. Its totient is φ = 40545337573440.

The previous prime is 40545337573387. The next prime is 40545337573537. The reversal of 40545337573441 is 14437573354504.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32566379236416 + 7978958337025 = 5706696^2 + 2824705^2 .

It is a cyclic number.

It is not a de Polignac number, because 40545337573441 - 2¹⁹ = 40545337049153 is a prime.

It is not a weakly prime, because it can be changed into another prime (40545337583441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20272668786720 + 20272668786721.

It is an arithmetic number, because the mean of its divisors is an integer number (20272668786721).

Almost surely, 2^{40545337573441} is an apocalyptic number.

It is an amenable number.

40545337573441 is a deficient number, since it is larger than the sum of its proper divisors (1).

40545337573441 is an equidigital number, since it uses as much as digits as its factorization.

40545337573441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336000, while the sum is 55.

The spelling of 40545337573441 in words is "forty trillion, five hundred forty-five billion, three hundred thirty-seven million, five hundred seventy-three thousand, four hundred forty-one".