550326240 has 72 divisors (see below), whose sum is σ = 1877993208. Its totient is φ = 146753280.

The previous prime is 550326239. The next prime is 550326247. The reversal of 550326240 is 42623055.

550326240 is a `hidden beast` number, since 5 + 5 + 0 + 32 + 624 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550326247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 189646 + ... + 192525.

It is an arithmetic number, because the mean of its divisors is an integer number (26083239).

Almost surely, 2^550326240 is an apocalyptic number.

It is an amenable number.

550326240 is an abundant number, since it is smaller than the sum of its proper divisors (1327666968).

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

550326240 is a wasteful number, since it uses less digits than its factorization.

550326240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382192 (or 382181 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 550326240 is about 23459.0332281618. The cubic root of 550326240 is about 819.4832357757.

Adding to 550326240 its reverse (42623055), we get a palindrome (592949295).

The spelling of 550326240 in words is "five hundred fifty million, three hundred twenty-six thousand, two hundred forty".