5445664884 has 192 divisors, whose sum is σ = 15916588800. Its totient is φ = 1595635200.

The previous prime is 5445664883. The next prime is 5445664933. The reversal of 5445664884 is 4884665445.

5445664884 is a `hidden beast` number, since 54 + 456 + 64 + 8 + 84 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 5445664884.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5445664883) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10065654 + ... + 10066194.

It is an arithmetic number, because the mean of its divisors is an integer number (82898900).

Almost surely, 2^5445664884 is an apocalyptic number.

5445664884 is a gapful number since it is divisible by the number (54) 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 5445664884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7958294400).

5445664884 is an abundant number, since it is smaller than the sum of its proper divisors (10470923916).

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

5445664884 is a wasteful number, since it uses less digits than its factorization.

5445664884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831 (or 823 counting only the distinct ones).

The product of its digits is 14745600, while the sum is 54.

The square root of 5445664884 is about 73794.7483497301. The cubic root of 5445664884 is about 1759.3421357587.

The spelling of 5445664884 in words is "five billion, four hundred forty-five million, six hundred sixty-four thousand, eight hundred eighty-four".