839040371340 has 48 divisors (see below), whose sum is σ = 2349408794208. Its totient is φ = 223734979584.

The previous prime is 839040371333. The next prime is 839040371347. The reversal of 839040371340 is 43173040938.

It is an interprime number because it is at equal distance from previous prime (839040371333) and next prime (839040371347).

It is a junction number, because it is equal to n+sod(n) for n = 839040371292 and 839040371301.

It is not an unprimeable number, because it can be changed into a prime (839040371347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1269444 + ... + 1813716.

It is an arithmetic number, because the mean of its divisors is an integer number (48946016546).

Almost surely, 2^839040371340 is an apocalyptic number.

It is an amenable number.

839040371340 is an abundant number, since it is smaller than the sum of its proper divisors (1510368422868).

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

839040371340 is a wasteful number, since it uses less digits than its factorization.

839040371340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569978 (or 569976 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 42.

The spelling of 839040371340 in words is "eight hundred thirty-nine billion, forty million, three hundred seventy-one thousand, three hundred forty".