5447838816 has 384 divisors, whose sum is σ = 19160064000. Its totient is φ = 1503774720.

The previous prime is 5447838793. The next prime is 5447838901. The reversal of 5447838816 is 6188387445.

5447838816 is a `hidden beast` number, since 544 + 7 + 8 + 3 + 88 + 16 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9186616 + ... + 9187208.

It is an arithmetic number, because the mean of its divisors is an integer number (49896000).

Almost surely, 2^5447838816 is an apocalyptic number.

5447838816 is a gapful number since it is divisible by the number (56) 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 5447838816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9580032000).

5447838816 is an abundant number, since it is smaller than the sum of its proper divisors (13712225184).

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

5447838816 is a wasteful number, since it uses less digits than its factorization.

5447838816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664 (or 636 counting only the distinct ones).

The product of its digits is 5160960, while the sum is 54.

The square root of 5447838816 is about 73809.4764647467. The cubic root of 5447838816 is about 1759.5762168377.

The spelling of 5447838816 in words is "five billion, four hundred forty-seven million, eight hundred thirty-eight thousand, eight hundred sixteen".