40452007474169 has 2 divisors, whose sum is σ = 40452007474170. Its totient is φ = 40452007474168.

The previous prime is 40452007474147. The next prime is 40452007474223. The reversal of 40452007474169 is 96147470025404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25060156144144 + 15391851330025 = 5006012^2 + 3923245^2 .

It is a cyclic number.

It is not a de Polignac number, because 40452007474169 - 2⁴⁰ = 39352495846393 is a prime.

It is a super-2 number, since 2×40452007474169² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40452007474169.

It is not a weakly prime, because it can be changed into another prime (40452007474469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20226003737084 + 20226003737085.

It is an arithmetic number, because the mean of its divisors is an integer number (20226003737085).

Almost surely, 2^{40452007474169} is an apocalyptic number.

It is an amenable number.

40452007474169 is a deficient number, since it is larger than the sum of its proper divisors (1).

40452007474169 is an equidigital number, since it uses as much as digits as its factorization.

40452007474169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6773760, while the sum is 53.

The spelling of 40452007474169 in words is "forty trillion, four hundred fifty-two billion, seven million, four hundred seventy-four thousand, one hundred sixty-nine".