5448531648 has 224 divisors, whose sum is σ = 16798040064. Its totient is φ = 1526611968.

The previous prime is 5448531623. The next prime is 5448531653. The reversal of 5448531648 is 8461358445.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 5448531597 and 5448531606.

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, 23384140 + ... + 23384372.

Almost surely, 2^5448531648 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 5448531648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8399020032).

5448531648 is an abundant number, since it is smaller than the sum of its proper divisors (11349508416).

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

5448531648 is a wasteful number, since it uses less digits than its factorization.

5448531648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519 (or 509 counting only the distinct ones).

The product of its digits is 1843200, while the sum is 48.

The square root of 5448531648 is about 73814.1696966104. The cubic root of 5448531648 is about 1759.6508053779.

The spelling of 5448531648 in words is "five billion, four hundred forty-eight million, five hundred thirty-one thousand, six hundred forty-eight".