544243240 has 16 divisors (see below), whose sum is σ = 1224547380. Its totient is φ = 217697280.

The previous prime is 544243237. The next prime is 544243267. The reversal of 544243240 is 42342445.

It can be written as a sum of positive squares in 2 ways, for example, as 505080676 + 39162564 = 22474^2 + 6258^2 .

It is a junction number, because it is equal to n+sod(n) for n = 544243199 and 544243208.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6803001 + ... + 6803080.

Almost surely, 2^544243240 is an apocalyptic number.

It is an amenable number.

544243240 is an abundant number, since it is smaller than the sum of its proper divisors (680304140).

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

544243240 is a wasteful number, since it uses less digits than its factorization.

544243240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13606092 (or 13606088 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 28.

The square root of 544243240 is about 23329.0214111094. The cubic root of 544243240 is about 816.4526715905.

Adding to 544243240 its reverse (42342445), we get a palindrome (586585685).

The spelling of 544243240 in words is "five hundred forty-four million, two hundred forty-three thousand, two hundred forty".