5644488266 has 8 divisors (see below), whose sum is σ = 8514033120. Its totient is φ = 2806477228.

The previous prime is 5644488263. The next prime is 5644488281. The reversal of 5644488266 is 6628844465.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (5644488263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7883006 + ... + 7883721.

It is an arithmetic number, because the mean of its divisors is an integer number (1064254140).

Almost surely, 2^5644488266 is an apocalyptic number.

5644488266 is a deficient number, since it is larger than the sum of its proper divisors (2869544854).

5644488266 is a wasteful number, since it uses less digits than its factorization.

5644488266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15766908.

The product of its digits is 8847360, while the sum is 53.

The square root of 5644488266 is about 75129.8094367342. The cubic root of 5644488266 is about 1780.4981421515.

The spelling of 5644488266 in words is "five billion, six hundred forty-four million, four hundred eighty-eight thousand, two hundred sixty-six".