8449889448 has 128 divisors (see below), whose sum is σ = 28363345920. Its totient is φ = 2025941760.

The previous prime is 8449889429. The next prime is 8449889473.

8449889448 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (66).

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, 151840 + ... + 199887.

It is an arithmetic number, because the mean of its divisors is an integer number (221588640).

Almost surely, 2^8449889448 is an apocalyptic number.

8449889448 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

8449889448 is an abundant number, since it is smaller than the sum of its proper divisors (19913456472).

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

8449889448 is a wasteful number, since it uses less digits than its factorization.

8449889448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351767 (or 351763 counting only the distinct ones).

The product of its digits is 84934656, while the sum is 66.

The square root of 8449889448 is about 91923.2802286777. The cubic root of 8449889448 is about 2036.8091735938.

The spelling of 8449889448 in words is "eight billion, four hundred forty-nine million, eight hundred eighty-nine thousand, four hundred forty-eight".