549803079126 has 24 divisors (see below), whose sum is σ = 1361417148624. Its totient is φ = 157086594000.

The previous prime is 549803079121. The next prime is 549803079139. The reversal of 549803079126 is 621970308945.

549803079126 is a `hidden beast` number, since 549 + 8 + 0 + 3 + 0 + 7 + 91 + 2 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549803079121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2181758125 + ... + 2181758376.

It is an arithmetic number, because the mean of its divisors is an integer number (56725714526).

It is a 1-persistent number, because it is pandigital, but 2⋅549803079126 = 1099606158252 is not.

Almost surely, 2^549803079126 is an apocalyptic number.

549803079126 is an abundant number, since it is smaller than the sum of its proper divisors (811614069498).

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

549803079126 is a wasteful number, since it uses less digits than its factorization.

549803079126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4363516516 (or 4363516513 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The spelling of 549803079126 in words is "five hundred forty-nine billion, eight hundred three million, seventy-nine thousand, one hundred twenty-six".