40254602416669 has 2 divisors, whose sum is σ = 40254602416670. Its totient is φ = 40254602416668.

The previous prime is 40254602416661. The next prime is 40254602416711. The reversal of 40254602416669 is 96661420645204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23200964960644 + 17053637456025 = 4816738^2 + 4129605^2 .

It is a cyclic number.

It is not a de Polignac number, because 40254602416669 - 2³ = 40254602416661 is a prime.

It is a super-2 number, since 2×40254602416669² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40254602416661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20127301208334 + 20127301208335.

It is an arithmetic number, because the mean of its divisors is an integer number (20127301208335).

Almost surely, 2^{40254602416669} is an apocalyptic number.

It is an amenable number.

40254602416669 is a deficient number, since it is larger than the sum of its proper divisors (1).

40254602416669 is an equidigital number, since it uses as much as digits as its factorization.

40254602416669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14929920, while the sum is 55.

The spelling of 40254602416669 in words is "forty trillion, two hundred fifty-four billion, six hundred two million, four hundred sixteen thousand, six hundred sixty-nine".