549449767236 has 48 divisors (see below), whose sum is σ = 1304904480768. Its totient is φ = 179903959200.

The previous prime is 549449767189. The next prime is 549449767241. The reversal of 549449767236 is 632767944945.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 958950 + ... + 1420733.

It is an arithmetic number, because the mean of its divisors is an integer number (27185510016).

Almost surely, 2^549449767236 is an apocalyptic number.

It is an amenable number.

549449767236 is an abundant number, since it is smaller than the sum of its proper divisors (755454713532).

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

549449767236 is a wasteful number, since it uses less digits than its factorization.

549449767236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2380032 (or 2380030 counting only the distinct ones).

The product of its digits is 274337280, while the sum is 66.

The spelling of 549449767236 in words is "five hundred forty-nine billion, four hundred forty-nine million, seven hundred sixty-seven thousand, two hundred thirty-six".