544666666445 has 64 divisors (see below), whose sum is σ = 764411074560. Its totient is φ = 368365190400.

The previous prime is 544666666409. The next prime is 544666666493.

544666666445 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 544666666445 - 2²⁰ = 544665617869 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 32055242 + ... + 32072228.

It is an arithmetic number, because the mean of its divisors is an integer number (11943923040).

Almost surely, 2^544666666445 is an apocalyptic number.

544666666445 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

544666666445 is a deficient number, since it is larger than the sum of its proper divisors (219744408115).

544666666445 is a wasteful number, since it uses less digits than its factorization.

544666666445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17586.

The product of its digits is 298598400, while the sum is 62.

The spelling of 544666666445 in words is "five hundred forty-four billion, six hundred sixty-six million, six hundred sixty-six thousand, four hundred forty-five".