5644888704 has 640 divisors, whose sum is σ = 21453358080. Its totient is φ = 1433272320.

The previous prime is 5644888703. The next prime is 5644888721. The reversal of 5644888704 is 4078884465.

5644888704 is a `hidden beast` number, since 56 + 448 + 88 + 70 + 4 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

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

It is not an unprimeable number, because it can be changed into a prime (5644888703) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 29248032 + ... + 29248224.

It is an arithmetic number, because the mean of its divisors is an integer number (33520872).

Almost surely, 2^5644888704 is an apocalyptic number.

5644888704 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 5644888704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10726679040).

5644888704 is an abundant number, since it is smaller than the sum of its proper divisors (15808469376).

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

5644888704 is a wasteful number, since it uses less digits than its factorization.

5644888704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270 (or 249 counting only the distinct ones).

The product of its (nonzero) digits is 6881280, while the sum is 54.

The square root of 5644888704 is about 75132.4743636199. The cubic root of 5644888704 is about 1780.5402458949.

The spelling of 5644888704 in words is "five billion, six hundred forty-four million, eight hundred eighty-eight thousand, seven hundred four".