549424862686944 has 72 divisors (see below), whose sum is σ = 1630358559949392. Its totient is φ = 175178941724160.

The previous prime is 549424862686853. The next prime is 549424862686961. The reversal of 549424862686944 is 449686268424945.

549424862686944 is a `hidden beast` number, since 5 + 4 + 9 + 42 + 486 + 2 + 6 + 8 + 6 + 94 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41472280717 + ... + 41472293964.

It is an arithmetic number, because the mean of its divisors is an integer number (22643868888186).

Almost surely, 2^{549424862686944} is an apocalyptic number.

It is an amenable number.

549424862686944 is an abundant number, since it is smaller than the sum of its proper divisors (1080933697262448).

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

549424862686944 is a wasteful number, since it uses less digits than its factorization.

549424862686944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82944574720 (or 82944574709 counting only the distinct ones).

The product of its digits is 22932357120, while the sum is 81.

The spelling of 549424862686944 in words is "five hundred forty-nine trillion, four hundred twenty-four billion, eight hundred sixty-two million, six hundred eighty-six thousand, nine hundred forty-four".