844553355448 has 128 divisors (see below), whose sum is σ = 1874776881600. Its totient is φ = 352296140800.

The previous prime is 844553355439. The next prime is 844553355473.

It is a happy number.

844553355448 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 844553355392 and 844553355401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 171063636 + ... + 171068572.

Almost surely, 2^844553355448 is an apocalyptic number.

844553355448 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 844553355448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (937388440800).

844553355448 is an abundant number, since it is smaller than the sum of its proper divisors (1030223526152).

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

844553355448 is a wasteful number, since it uses less digits than its factorization.

844553355448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7801 (or 7797 counting only the distinct ones).

The product of its digits is 92160000, while the sum is 58.

The spelling of 844553355448 in words is "eight hundred forty-four billion, five hundred fifty-three million, three hundred fifty-five thousand, four hundred forty-eight".