5644636018560 has 3072 divisors, whose sum is σ = 27005239296000. Its totient is φ = 1098742579200.

The previous prime is 5644636018529. The next prime is 5644636018561. The reversal of 5644636018560 is 658106364465.

5644636018560 is a `hidden beast` number, since 5 + 6 + 4 + 4 + 6 + 3 + 60 + 18 + 560 = 666.

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

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

It is a junction number, because it is equal to n+sod(n) for n = 5644636018497 and 5644636018506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5644636018561) by changing a digit.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 29553068065 + ... + 29553068255.

It is an arithmetic number, because the mean of its divisors is an integer number (8790768000).

Almost surely, 2^{5644636018560} 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 5644636018560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13502619648000).

5644636018560 is an abundant number, since it is smaller than the sum of its proper divisors (21360603277440).

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

5644636018560 is a wasteful number, since it uses less digits than its factorization.

5644636018560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430 (or 405 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 54.

The spelling of 5644636018560 in words is "five trillion, six hundred forty-four billion, six hundred thirty-six million, eighteen thousand, five hundred sixty".