8443553448 has 128 divisors (see below), whose sum is σ = 23923952640. Its totient is φ = 2460864000.

The previous prime is 8443553411. The next prime is 8443553467.

8443553448 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 8443553397 and 8443553406.

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, 763011 + ... + 773997.

It is an arithmetic number, because the mean of its divisors is an integer number (186905880).

Almost surely, 2^8443553448 is an apocalyptic number.

8443553448 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 8443553448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11961976320).

8443553448 is an abundant number, since it is smaller than the sum of its proper divisors (15480399192).

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

8443553448 is a wasteful number, since it uses less digits than its factorization.

8443553448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11119 (or 11115 counting only the distinct ones).

The product of its digits is 3686400, while the sum is 48.

The square root of 8443553448 is about 91888.8102436853. The cubic root of 8443553448 is about 2036.2999578645.

The spelling of 8443553448 in words is "eight billion, four hundred forty-three million, five hundred fifty-three thousand, four hundred forty-eight".