8340348681620 has 24 divisors (see below), whose sum is σ = 17571049711488. Its totient is φ = 3325412333600.

The previous prime is 8340348681607. The next prime is 8340348681631. The reversal of 8340348681620 is 261868430438.

It is a happy number.

It is a super-2 number, since 2×8340348681620² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 670439816 + ... + 670452255.

It is an arithmetic number, because the mean of its divisors is an integer number (732127071312).

Almost surely, 2^{8340348681620} is an apocalyptic number.

It is an amenable number.

8340348681620 is an abundant number, since it is smaller than the sum of its proper divisors (9230701029868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8340348681620 is a wasteful number, since it uses less digits than its factorization.

8340348681620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1340892391 (or 1340892389 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 53.

The spelling of 8340348681620 in words is "eight trillion, three hundred forty billion, three hundred forty-eight million, six hundred eighty-one thousand, six hundred twenty".