5644192568 has 64 divisors (see below), whose sum is σ = 12505989120. Its totient is φ = 2336947200.

The previous prime is 5644192549. The next prime is 5644192577. The reversal of 5644192568 is 8652914465.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1165913 + ... + 1170743.

It is an arithmetic number, because the mean of its divisors is an integer number (195406080).

Almost surely, 2^5644192568 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 5644192568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6252994560).

5644192568 is an abundant number, since it is smaller than the sum of its proper divisors (6861796552).

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

5644192568 is a wasteful number, since it uses less digits than its factorization.

5644192568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5548 (or 5544 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 50.

The square root of 5644192568 is about 75127.8414970109. The cubic root of 5644192568 is about 1780.4670499362.

The spelling of 5644192568 in words is "five billion, six hundred forty-four million, one hundred ninety-two thousand, five hundred sixty-eight".