545344234120 has 32 divisors (see below), whose sum is σ = 1402313745600. Its totient is φ = 186975165888.

The previous prime is 545344234091. The next prime is 545344234129. The reversal of 545344234120 is 21432443545.

It is a self number, because there is not a number n which added to its sum of digits gives 545344234120.

It is not an unprimeable number, because it can be changed into a prime (545344234129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 973828710 + ... + 973829269.

It is an arithmetic number, because the mean of its divisors is an integer number (43822304550).

Almost surely, 2^545344234120 is an apocalyptic number.

It is an amenable number.

545344234120 is an abundant number, since it is smaller than the sum of its proper divisors (856969511480).

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

545344234120 is a wasteful number, since it uses less digits than its factorization.

545344234120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1947657997 (or 1947657993 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 37.

Adding to 545344234120 its reverse (21432443545), we get a palindrome (566776677665).

The spelling of 545344234120 in words is "five hundred forty-five billion, three hundred forty-four million, two hundred thirty-four thousand, one hundred twenty".