550720240 has 40 divisors (see below), whose sum is σ = 1463343840. Its totient is φ = 188818176.

The previous prime is 550720229. The next prime is 550720243. The reversal of 550720240 is 42027055.

550720240 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550720243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 491155 + ... + 492274.

It is an arithmetic number, because the mean of its divisors is an integer number (36583596).

Almost surely, 2^550720240 is an apocalyptic number.

It is an amenable number.

550720240 is an abundant number, since it is smaller than the sum of its proper divisors (912623600).

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

550720240 is a wasteful number, since it uses less digits than its factorization.

550720240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983449 (or 983443 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 550720240 is about 23467.4293436669. The cubic root of 550720240 is about 819.6787557835.

Adding to 550720240 its reverse (42027055), we get a palindrome (592747295).

The spelling of 550720240 in words is "five hundred fifty million, seven hundred twenty thousand, two hundred forty".