549262019268 has 72 divisors (see below), whose sum is σ = 1403584186368. Its totient is φ = 181088967168.

The previous prime is 549262019263. The next prime is 549262019347. The reversal of 549262019268 is 862910262945.

549262019268 is a `hidden beast` number, since 5 + 4 + 9 + 2 + 620 + 1 + 9 + 2 + 6 + 8 = 666.

549262019268 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (549262019263) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5759905 + ... + 5854487.

Almost surely, 2^549262019268 is an apocalyptic number.

It is an amenable number.

549262019268 is an abundant number, since it is smaller than the sum of its proper divisors (854322167100).

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

549262019268 is a wasteful number, since it uses less digits than its factorization.

549262019268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96353 (or 96348 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The spelling of 549262019268 in words is "five hundred forty-nine billion, two hundred sixty-two million, nineteen thousand, two hundred sixty-eight".