550971585240 has 128 divisors (see below), whose sum is σ = 1696378844160. Its totient is φ = 143082584064.

The previous prime is 550971585239. The next prime is 550971585251. The reversal of 550971585240 is 42585179055.

It is a congruent number.

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, 1580497 + ... + 1897343.

It is an arithmetic number, because the mean of its divisors is an integer number (13252959720).

Almost surely, 2^550971585240 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 550971585240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (848189422080).

550971585240 is an abundant number, since it is smaller than the sum of its proper divisors (1145407258920).

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

550971585240 is a wasteful number, since it uses less digits than its factorization.

550971585240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317241 (or 317237 counting only the distinct ones).

The product of its (nonzero) digits is 2520000, while the sum is 51.

It can be divided in two parts, 5509715 and 85240, that added together give a palindrome (5594955).

The spelling of 550971585240 in words is "five hundred fifty billion, nine hundred seventy-one million, five hundred eighty-five thousand, two hundred forty".