550420122404 has 24 divisors (see below), whose sum is σ = 963992635200. Its totient is φ = 274993737120.

The previous prime is 550420122397. The next prime is 550420122449. The reversal of 550420122404 is 404221024055.

It is a super-2 number, since 2×550420122404² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42526574 + ... + 42539514.

It is an arithmetic number, because the mean of its divisors is an integer number (40166359800).

Almost surely, 2^550420122404 is an apocalyptic number.

It is an amenable number.

550420122404 is a deficient number, since it is larger than the sum of its proper divisors (413572512796).

550420122404 is a wasteful number, since it uses less digits than its factorization.

550420122404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20483 (or 20481 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 29.

Adding to 550420122404 its reverse (404221024055), we get a palindrome (954641146459).

The spelling of 550420122404 in words is "five hundred fifty billion, four hundred twenty million, one hundred twenty-two thousand, four hundred four".