550142240 has 24 divisors (see below), whose sum is σ = 1299711420. Its totient is φ = 220056832.

The previous prime is 550142179. The next prime is 550142251. The reversal of 550142240 is 42241055.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 542144656 + 7997584 = 23284^2 + 2828^2 .

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, 1719035 + ... + 1719354.

Almost surely, 2^550142240 is an apocalyptic number.

It is an amenable number.

550142240 is an abundant number, since it is smaller than the sum of its proper divisors (749569180).

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

550142240 is a wasteful number, since it uses less digits than its factorization.

550142240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3438404 (or 3438396 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 550142240 is about 23455.1111700627. Note that the first 4 decimals coincide. The cubic root of 550142240 is about 819.3918949719.

Adding to 550142240 its reverse (42241055), we get a palindrome (592383295).

The spelling of 550142240 in words is "five hundred fifty million, one hundred forty-two thousand, two hundred forty".