550344240 has 160 divisors (see below), whose sum is σ = 1957017600. Its totient is φ = 142007040.

The previous prime is 550344211. The next prime is 550344259. The reversal of 550344240 is 42443055.

550344240 is a `hidden beast` number, since 550 + 34 + 42 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62851 + ... + 71069.

It is an arithmetic number, because the mean of its divisors is an integer number (12231360).

Almost surely, 2^550344240 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 550344240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (978508800).

550344240 is an abundant number, since it is smaller than the sum of its proper divisors (1406673360).

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

550344240 is a wasteful number, since it uses less digits than its factorization.

550344240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8272 (or 8260 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 550344240 is about 23459.4168725482. The cubic root of 550344240 is about 819.4921701957.

Adding to 550344240 its reverse (42443055), we get a palindrome (592787295).

The spelling of 550344240 in words is "five hundred fifty million, three hundred forty-four thousand, two hundred forty".