544563312500 has 42 divisors (see below), whose sum is σ = 1191217135038. Its totient is φ = 217825300000.

The previous prime is 544563312497. The next prime is 544563312509. The reversal of 544563312500 is 5213365445.

It can be written as a sum of positive squares in 7 ways, for example, as 538512339556 + 6050972944 = 733834^2 + 77788^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544563312509) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 4294007 + ... + 4419006.

It is an arithmetic number, because the mean of its divisors is an integer number (28362312739).

Almost surely, 2^544563312500 is an apocalyptic number.

544563312500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

544563312500 is an abundant number, since it is smaller than the sum of its proper divisors (646653822538).

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

544563312500 is an frugal number, since it uses more digits than its factorization.

544563312500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8713047 (or 8713020 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 38.

Adding to 544563312500 its reverse (5213365445), we get a palindrome (549776677945).

The spelling of 544563312500 in words is "five hundred forty-four billion, five hundred sixty-three million, three hundred twelve thousand, five hundred".