5444664445 has 16 divisors (see below), whose sum is σ = 7207652160. Its totient is φ = 3915260800.

The previous prime is 5444664431. The next prime is 5444664457.

5444664445 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5444664445 - 2¹⁹ = 5444140157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5444664395 and 5444664404.

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, 551251 + ... + 561040.

It is an arithmetic number, because the mean of its divisors is an integer number (450478260).

Almost surely, 2^5444664445 is an apocalyptic number.

5444664445 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5444664445 is a deficient number, since it is larger than the sum of its proper divisors (1762987715).

5444664445 is a wasteful number, since it uses less digits than its factorization.

5444664445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112396.

The product of its digits is 3686400, while the sum is 46.

The square root of 5444664445 is about 73787.9695140068. The cubic root of 5444664445 is about 1759.2343911997.

The spelling of 5444664445 in words is "five billion, four hundred forty-four million, six hundred sixty-four thousand, four hundred forty-five".