844380742046 has 8 divisors (see below), whose sum is σ = 1278867920304. Its totient is φ = 418091435280.

The previous prime is 844380742001. The next prime is 844380742103. The reversal of 844380742046 is 640247083448.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×844380742046² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 844380741985 and 844380742003.

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 3 ways as a sum of consecutive naturals, for example, 2049467615 + ... + 2049468026.

It is an arithmetic number, because the mean of its divisors is an integer number (159858490038).

Almost surely, 2^844380742046 is an apocalyptic number.

844380742046 is a deficient number, since it is larger than the sum of its proper divisors (434487178258).

844380742046 is a wasteful number, since it uses less digits than its factorization.

844380742046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4098935746.

The product of its (nonzero) digits is 4128768, while the sum is 50.

The spelling of 844380742046 in words is "eight hundred forty-four billion, three hundred eighty million, seven hundred forty-two thousand, forty-six".