544478874445 has 32 divisors (see below), whose sum is σ = 762172540416. Its totient is φ = 369001344000.

The previous prime is 544478874439. The next prime is 544478874449.

544478874445 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 544478874445 - 2²¹ = 544476777293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544478874449) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2788389 + ... + 2977258.

It is an arithmetic number, because the mean of its divisors is an integer number (23817891888).

Almost surely, 2^544478874445 is an apocalyptic number.

544478874445 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

544478874445 is a deficient number, since it is larger than the sum of its proper divisors (217693665971).

544478874445 is a wasteful number, since it uses less digits than its factorization.

544478874445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5765781.

The product of its digits is 321126400, while the sum is 64.

The spelling of 544478874445 in words is "five hundred forty-four billion, four hundred seventy-eight million, eight hundred seventy-four thousand, four hundred forty-five".