40358291871269 has 2 divisors, whose sum is σ = 40358291871270. Its totient is φ = 40358291871268.

The previous prime is 40358291871263. The next prime is 40358291871299. The reversal of 40358291871269 is 96217819285304.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33103188010369 + 7255103860900 = 5753537^2 + 2693530^2 .

It is a cyclic number.

It is not a de Polignac number, because 40358291871269 - 2³² = 40353996903973 is a prime.

It is a super-2 number, since 2×40358291871269² (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 (40358291871263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20179145935634 + 20179145935635.

It is an arithmetic number, because the mean of its divisors is an integer number (20179145935635).

It is a 1-persistent number, because it is pandigital, but 2⋅40358291871269 = 80716583742538 is not.

Almost surely, 2^{40358291871269} is an apocalyptic number.

It is an amenable number.

40358291871269 is a deficient number, since it is larger than the sum of its proper divisors (1).

40358291871269 is an equidigital number, since it uses as much as digits as its factorization.

40358291871269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52254720, while the sum is 65.

The spelling of 40358291871269 in words is "forty trillion, three hundred fifty-eight billion, two hundred ninety-one million, eight hundred seventy-one thousand, two hundred sixty-nine".