549940345152 has 56 divisors (see below), whose sum is σ = 1587327820512. Its totient is φ = 166648588800.

The previous prime is 549940345121. The next prime is 549940345177. The reversal of 549940345152 is 251543049945.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 549940345095 and 549940345104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130192099 + ... + 130196322.

It is an arithmetic number, because the mean of its divisors is an integer number (28345139652).

Almost surely, 2^549940345152 is an apocalyptic number.

It is an amenable number.

549940345152 is an abundant number, since it is smaller than the sum of its proper divisors (1037387475360).

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

549940345152 is a wasteful number, since it uses less digits than its factorization.

549940345152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260388447 (or 260388437 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 51.

The spelling of 549940345152 in words is "five hundred forty-nine billion, nine hundred forty million, three hundred forty-five thousand, one hundred fifty-two".