544115020240 has 80 divisors (see below), whose sum is σ = 1412168383296. Its totient is φ = 193258598400.

The previous prime is 544115020223. The next prime is 544115020243. The reversal of 544115020240 is 42020511445.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×544115020240² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 544115020199 and 544115020208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544115020243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7151841 + ... + 7227520.

Almost surely, 2^544115020240 is an apocalyptic number.

It is an amenable number.

544115020240 is an abundant number, since it is smaller than the sum of its proper divisors (868053363056).

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

544115020240 is a wasteful number, since it uses less digits than its factorization.

544115020240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14379428 (or 14379422 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

Adding to 544115020240 its reverse (42020511445), we get a palindrome (586135531685).

The spelling of 544115020240 in words is "five hundred forty-four billion, one hundred fifteen million, twenty thousand, two hundred forty".