40134377760469 has 2 divisors, whose sum is σ = 40134377760470. Its totient is φ = 40134377760468.

The previous prime is 40134377760401. The next prime is 40134377760481. The reversal of 40134377760469 is 96406777343104.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35460298071025 + 4674079689444 = 5954855^2 + 2161962^2 .

It is a cyclic number.

It is not a de Polignac number, because 40134377760469 - 2¹⁷ = 40134377629397 is a prime.

It is a super-2 number, since 2×40134377760469² (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 (40134377760569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20067188880234 + 20067188880235.

It is an arithmetic number, because the mean of its divisors is an integer number (20067188880235).

Almost surely, 2^{40134377760469} is an apocalyptic number.

It is an amenable number.

40134377760469 is a deficient number, since it is larger than the sum of its proper divisors (1).

40134377760469 is an equidigital number, since it uses as much as digits as its factorization.

40134377760469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64012032, while the sum is 61.

The spelling of 40134377760469 in words is "forty trillion, one hundred thirty-four billion, three hundred seventy-seven million, seven hundred sixty thousand, four hundred sixty-nine".