540055421124 has 12 divisors (see below), whose sum is σ = 1260129315984. Its totient is φ = 180018473704.

The previous prime is 540055421069. The next prime is 540055421149. The reversal of 540055421124 is 421124550045.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22502309202 + ... + 22502309225.

It is an arithmetic number, because the mean of its divisors is an integer number (105010776332).

Almost surely, 2^540055421124 is an apocalyptic number.

It is an amenable number.

540055421124 is an abundant number, since it is smaller than the sum of its proper divisors (720073894860).

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

540055421124 is a wasteful number, since it uses less digits than its factorization.

540055421124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45004618434 (or 45004618432 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 33.

Adding to 540055421124 its reverse (421124550045), we get a palindrome (961179971169).

The spelling of 540055421124 in words is "five hundred forty billion, fifty-five million, four hundred twenty-one thousand, one hundred twenty-four".