550243443240 has 48 divisors (see below), whose sum is σ = 1788291191700. Its totient is φ = 146731584768.

The previous prime is 550243443187. The next prime is 550243443329. The reversal of 550243443240 is 42344342055.

550243443240 is a `hidden beast` number, since 5 + 50 + 24 + 344 + 3 + 240 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 547454969604 + 2788473636 = 739902^2 + 52806^2 .

It is a super-2 number, since 2×550243443240² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 550243443195 and 550243443204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 764226645 + ... + 764227364.

Almost surely, 2^550243443240 is an apocalyptic number.

It is an amenable number.

550243443240 is an abundant number, since it is smaller than the sum of its proper divisors (1238047748460).

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

550243443240 is a wasteful number, since it uses less digits than its factorization.

550243443240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1528454026 (or 1528454019 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 36.

Adding to 550243443240 its reverse (42344342055), we get a palindrome (592587785295).

The spelling of 550243443240 in words is "five hundred fifty billion, two hundred forty-three million, four hundred forty-three thousand, two hundred forty".