544415131240 has 128 divisors (see below), whose sum is σ = 1334473056000. Its totient is φ = 199100160000.

The previous prime is 544415131219. The next prime is 544415131339. The reversal of 544415131240 is 42131514445.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 544415131196 and 544415131205.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66137925 + ... + 66146155.

It is an arithmetic number, because the mean of its divisors is an integer number (10425570750).

Almost surely, 2^544415131240 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 544415131240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (667236528000).

544415131240 is an abundant number, since it is smaller than the sum of its proper divisors (790057924760).

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

544415131240 is a wasteful number, since it uses less digits than its factorization.

544415131240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11291 (or 11287 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

Adding to 544415131240 its reverse (42131514445), we get a palindrome (586546645685).

The spelling of 544415131240 in words is "five hundred forty-four billion, four hundred fifteen million, one hundred thirty-one thousand, two hundred forty".