5644370880 has 336 divisors, whose sum is σ = 20206338048. Its totient is φ = 1444608000.

The previous prime is 5644370863. The next prime is 5644370917. The reversal of 5644370880 is 880734465.

5644370880 is a `hidden beast` number, since 564 + 4 + 3 + 7 + 0 + 8 + 80 = 666.

It is a Smith number, since the sum of its digits (45) 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 (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17052315 + ... + 17052645.

Almost surely, 2^5644370880 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 5644370880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10103169024).

5644370880 is an abundant number, since it is smaller than the sum of its proper divisors (14561967168).

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

5644370880 is a wasteful number, since it uses less digits than its factorization.

5644370880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576 (or 563 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The square root of 5644370880 is about 75129.0282114710. The cubic root of 5644370880 is about 1780.4857993141.

The spelling of 5644370880 in words is "five billion, six hundred forty-four million, three hundred seventy thousand, eight hundred eighty".