8440844480 has 56 divisors (see below), whose sum is σ = 20140422000. Its totient is φ = 3369507840.

The previous prime is 8440844453. The next prime is 8440844483. The reversal of 8440844480 is 844480448.

It is not an unprimeable number, because it can be changed into a prime (8440844483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133250 + ... + 186110.

Almost surely, 2^8440844480 is an apocalyptic number.

8440844480 is a gapful number since it is divisible by the number (80) 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 8440844480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10070211000).

8440844480 is an abundant number, since it is smaller than the sum of its proper divisors (11699577520).

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

8440844480 is a wasteful number, since it uses less digits than its factorization.

8440844480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53377 (or 53367 counting only the distinct ones).

The product of its (nonzero) digits is 524288, while the sum is 44.

The square root of 8440844480 is about 91874.0685939183. The cubic root of 8440844480 is about 2036.0821640372.

The spelling of 8440844480 in words is "eight billion, four hundred forty million, eight hundred forty-four thousand, four hundred eighty".