544220351312 has 80 divisors (see below), whose sum is σ = 1163647218240. Its totient is φ = 244501171200.

The previous prime is 544220351299. The next prime is 544220351357. The reversal of 544220351312 is 213153022445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57811118 + ... + 57820530.

It is an arithmetic number, because the mean of its divisors is an integer number (14545590228).

Almost surely, 2^544220351312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 544220351312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (581823609120).

544220351312 is an abundant number, since it is smaller than the sum of its proper divisors (619426866928).

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

544220351312 is a wasteful number, since it uses less digits than its factorization.

544220351312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13212 (or 13206 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 544220351312 its reverse (213153022445), we get a palindrome (757373373757).

The spelling of 544220351312 in words is "five hundred forty-four billion, two hundred twenty million, three hundred fifty-one thousand, three hundred twelve".