550540044120 has 768 divisors, whose sum is σ = 1930631915520. Its totient is φ = 125349396480.

The previous prime is 550540044113. The next prime is 550540044133. The reversal of 550540044120 is 21440045055.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 2142179032 + ... + 2142179288.

It is an arithmetic number, because the mean of its divisors is an integer number (2513843640).

Almost surely, 2^550540044120 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 550540044120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (965315957760).

550540044120 is an abundant number, since it is smaller than the sum of its proper divisors (1380091871400).

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

550540044120 is a wasteful number, since it uses less digits than its factorization.

550540044120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456 (or 441 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

Adding to 550540044120 its reverse (21440045055), we get a palindrome (571980089175).

The spelling of 550540044120 in words is "five hundred fifty billion, five hundred forty million, forty-four thousand, one hundred twenty".