544541140 has 144 divisors (see below), whose sum is σ = 1426440960. Its totient is φ = 172972800.

The previous prime is 544541089. The next prime is 544541141. The reversal of 544541140 is 41145445.

It is a junction number, because it is equal to n+sod(n) for n = 544541099 and 544541108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544541141) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 597285 + ... + 598195.

It is an arithmetic number, because the mean of its divisors is an integer number (9905840).

Almost surely, 2^544541140 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 544541140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (713220480).

544541140 is an abundant number, since it is smaller than the sum of its proper divisors (881899820).

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

544541140 is a wasteful number, since it uses less digits than its factorization.

544541140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974 (or 961 counting only the distinct ones).

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

The square root of 544541140 is about 23335.4052889595. The cubic root of 544541140 is about 816.6016104408.

Adding to 544541140 its reverse (41145445), we get a palindrome (585686585).

The spelling of 544541140 in words is "five hundred forty-four million, five hundred forty-one thousand, one hundred forty".