550252530440 has 64 divisors (see below), whose sum is σ = 1258786344960. Its totient is φ = 216433987840.

The previous prime is 550252530413. The next prime is 550252530473. The reversal of 550252530440 is 44035252055.

It is a self number, because there is not a number n which added to its sum of digits gives 550252530440.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 834782 + ... + 1340658.

It is an arithmetic number, because the mean of its divisors is an integer number (19668536640).

Almost surely, 2^550252530440 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 550252530440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (629393172480).

550252530440 is an abundant number, since it is smaller than the sum of its proper divisors (708533814520).

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

550252530440 is a wasteful number, since it uses less digits than its factorization.

550252530440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506342 (or 506338 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 35.

Adding to 550252530440 its reverse (44035252055), we get a palindrome (594287782495).

The spelling of 550252530440 in words is "five hundred fifty billion, two hundred fifty-two million, five hundred thirty thousand, four hundred forty".