84448424580 has 144 divisors (see below), whose sum is σ = 256269686400. Its totient is φ = 20768956416.

The previous prime is 84448424573. The next prime is 84448424581. The reversal of 84448424580 is 8542484448.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (84448424581) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14182884 + ... + 14188836.

It is an arithmetic number, because the mean of its divisors is an integer number (1779650600).

Almost surely, 2^84448424580 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84448424580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128134843200).

84448424580 is an abundant number, since it is smaller than the sum of its proper divisors (171821261820).

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

84448424580 is a wasteful number, since it uses less digits than its factorization.

84448424580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7390 (or 7375 counting only the distinct ones).

The product of its (nonzero) digits is 5242880, while the sum is 51.

The spelling of 84448424580 in words is "eighty-four billion, four hundred forty-eight million, four hundred twenty-four thousand, five hundred eighty".