544356212500 has 72 divisors (see below), whose sum is σ = 1191505738752. Its totient is φ = 217595700000.

The previous prime is 544356212489. The next prime is 544356212501. The reversal of 544356212500 is 5212653445.

It is a self number, because there is not a number n which added to its sum of digits gives 544356212500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544356212501) 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, 19573605 + ... + 19601395.

It is an arithmetic number, because the mean of its divisors is an integer number (16548690816).

Almost surely, 2^544356212500 is an apocalyptic number.

544356212500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 544356212500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (595752869376).

544356212500 is an abundant number, since it is smaller than the sum of its proper divisors (647149526252).

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

544356212500 is a wasteful number, since it uses less digits than its factorization.

544356212500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29387 (or 29365 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 37.

Adding to 544356212500 its reverse (5212653445), we get a palindrome (549568865945).

The spelling of 544356212500 in words is "five hundred forty-four billion, three hundred fifty-six million, two hundred twelve thousand, five hundred".