844157838496 has 48 divisors (see below), whose sum is σ = 1960624673280. Its totient is φ = 350111543040.

The previous prime is 844157838479. The next prime is 844157838521. The reversal of 844157838496 is 694838751448.

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, 60776311 + ... + 60790198.

It is an arithmetic number, because the mean of its divisors is an integer number (40846347360).

Almost surely, 2^844157838496 is an apocalyptic number.

It is an amenable number.

844157838496 is an abundant number, since it is smaller than the sum of its proper divisors (1116466834784).

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

844157838496 is a wasteful number, since it uses less digits than its factorization.

844157838496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121566557 (or 121566549 counting only the distinct ones).

The product of its digits is 185794560, while the sum is 67.

The spelling of 844157838496 in words is "eight hundred forty-four billion, one hundred fifty-seven million, eight hundred thirty-eight thousand, four hundred ninety-six".