82640234434318 has 32 divisors (see below), whose sum is σ = 135275209020000. Its totient is φ = 37551040542720.

The previous prime is 82640234434313. The next prime is 82640234434327. The reversal of 82640234434318 is 81343443204628.

It is a super-2 number, since 2×82640234434318² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82640234434313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1313198278 + ... + 1313261206.

It is an arithmetic number, because the mean of its divisors is an integer number (4227350281875).

Almost surely, 2^{82640234434318} is an apocalyptic number.

82640234434318 is a deficient number, since it is larger than the sum of its proper divisors (52634974585682).

82640234434318 is a wasteful number, since it uses less digits than its factorization.

82640234434318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82180.

The product of its (nonzero) digits is 10616832, while the sum is 52.

The spelling of 82640234434318 in words is "eighty-two trillion, six hundred forty billion, two hundred thirty-four million, four hundred thirty-four thousand, three hundred eighteen".