550040541012 has 18 divisors (see below), whose sum is σ = 1390380256538. Its totient is φ = 183346846992.

The previous prime is 550040540897. The next prime is 550040541023. The reversal of 550040541012 is 210145040055.

550040541012 is a `hidden beast` number, since 5 + 500 + 4 + 0 + 54 + 101 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 357886311696 + 192154229316 = 598236^2 + 438354^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7639451923 + ... + 7639451994.

Almost surely, 2^550040541012 is an apocalyptic number.

It is an amenable number.

550040541012 is an abundant number, since it is smaller than the sum of its proper divisors (840339715526).

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

550040541012 is a wasteful number, since it uses less digits than its factorization.

550040541012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15278903927 (or 15278903922 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

Adding to 550040541012 its reverse (210145040055), we get a palindrome (760185581067).

The spelling of 550040541012 in words is "five hundred fifty billion, forty million, five hundred forty-one thousand, twelve".