545441443344 has 120 divisors (see below), whose sum is σ = 1744829573760. Its totient is φ = 155815156224.

The previous prime is 545441443343. The next prime is 545441443387. The reversal of 545441443344 is 443344144545.

545441443344 is a `hidden beast` number, since 54 + 544 + 14 + 4 + 3 + 3 + 44 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 545441443344.

It is not an unprimeable number, because it can be changed into a prime (545441443343) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6691924 + ... + 6772940.

It is an arithmetic number, because the mean of its divisors is an integer number (14540246448).

Almost surely, 2^545441443344 is an apocalyptic number.

It is an amenable number.

545441443344 is an abundant number, since it is smaller than the sum of its proper divisors (1199388130416).

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

545441443344 is a wasteful number, since it uses less digits than its factorization.

545441443344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87717 (or 87708 counting only the distinct ones).

The product of its digits is 3686400, while the sum is 45.

Adding to 545441443344 its reverse (443344144545), we get a palindrome (988785587889).

The spelling of 545441443344 in words is "five hundred forty-five billion, four hundred forty-one million, four hundred forty-three thousand, three hundred forty-four".