40684330809319 has 2 divisors, whose sum is σ = 40684330809320. Its totient is φ = 40684330809318.

The previous prime is 40684330809247. The next prime is 40684330809323. The reversal of 40684330809319 is 91390803348604.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40684330809319 - 2⁷ = 40684330809191 is a prime.

It is a super-2 number, since 2×40684330809319² (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 (40684330809389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20342165404659 + 20342165404660.

It is an arithmetic number, because the mean of its divisors is an integer number (20342165404660).

Almost surely, 2^{40684330809319} is an apocalyptic number.

40684330809319 is a deficient number, since it is larger than the sum of its proper divisors (1).

40684330809319 is an equidigital number, since it uses as much as digits as its factorization.

40684330809319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13436928, while the sum is 58.

The spelling of 40684330809319 in words is "forty trillion, six hundred eighty-four billion, three hundred thirty million, eight hundred nine thousand, three hundred nineteen".