5644817444 has 36 divisors (see below), whose sum is σ = 11596703580. Its totient is φ = 2397003840.

The previous prime is 5644817443. The next prime is 5644817531. The reversal of 5644817444 is 4447184465.

It can be written as a sum of positive squares in 2 ways, for example, as 5148062500 + 496754944 = 71750^2 + 22288^2 .

It is not an unprimeable number, because it can be changed into a prime (5644817443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110747 + ... + 153474.

It is an arithmetic number, because the mean of its divisors is an integer number (322130655).

Almost surely, 2^5644817444 is an apocalyptic number.

It is an amenable number.

5644817444 is an abundant number, since it is smaller than the sum of its proper divisors (5951886136).

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

5644817444 is a wasteful number, since it uses less digits than its factorization.

5644817444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264348 (or 264339 counting only the distinct ones).

The product of its digits is 1720320, while the sum is 47.

The square root of 5644817444 is about 75132.0001330991. Note that the first 3 decimals coincide. The cubic root of 5644817444 is about 1780.5327534630.

The spelling of 5644817444 in words is "five billion, six hundred forty-four million, eight hundred seventeen thousand, four hundred forty-four".