5448639984 has 80 divisors (see below), whose sum is σ = 14363080704. Its totient is φ = 1779232000.

The previous prime is 5448639971. The next prime is 5448640009. The reversal of 5448639984 is 4899368445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2316409 + ... + 2318759.

Almost surely, 2^5448639984 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 5448639984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7181540352).

5448639984 is an abundant number, since it is smaller than the sum of its proper divisors (8914440720).

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

5448639984 is a wasteful number, since it uses less digits than its factorization.

5448639984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3326 (or 3320 counting only the distinct ones).

The product of its digits is 29859840, while the sum is 60.

The square root of 5448639984 is about 73814.9035358037. The cubic root of 5448639984 is about 1759.6624679859.

The spelling of 5448639984 in words is "five billion, four hundred forty-eight million, six hundred thirty-nine thousand, nine hundred eighty-four".