844611379342 has 16 divisors (see below), whose sum is σ = 1271317248432. Its totient is φ = 420839136640.

The previous prime is 844611379319. The next prime is 844611379373. The reversal of 844611379342 is 243973116448.

It is a happy number.

It is a super-2 number, since 2×844611379342² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 844611379342.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 13194678 + ... + 13258534.

It is an arithmetic number, because the mean of its divisors is an integer number (79457328027).

Almost surely, 2^844611379342 is an apocalyptic number.

844611379342 is a deficient number, since it is larger than the sum of its proper divisors (426705869090).

844611379342 is a wasteful number, since it uses less digits than its factorization.

844611379342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86723.

The product of its digits is 3483648, while the sum is 52.

The spelling of 844611379342 in words is "eight hundred forty-four billion, six hundred eleven million, three hundred seventy-nine thousand, three hundred forty-two".