550120440124240 has 80 divisors (see below), whose sum is σ = 1346622794107200. Its totient is φ = 208424050338816.

The previous prime is 550120440124193. The next prime is 550120440124327. The reversal of 550120440124240 is 42421044021055.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 550120440124196 and 550120440124205.

It is a congruent number.

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, 29582562 + ... + 44445121.

It is an arithmetic number, because the mean of its divisors is an integer number (16832784926340).

Almost surely, 2^{550120440124240} is an apocalyptic number.

It is an amenable number.

550120440124240 is an abundant number, since it is smaller than the sum of its proper divisors (796502353982960).

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

550120440124240 is a wasteful number, since it uses less digits than its factorization.

550120440124240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74032604 (or 74032598 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 34.

Adding to 550120440124240 its reverse (42421044021055), we get a palindrome (592541484145295).

The spelling of 550120440124240 in words is "five hundred fifty trillion, one hundred twenty billion, four hundred forty million, one hundred twenty-four thousand, two hundred forty".