549824135238 has 48 divisors (see below), whose sum is σ = 1375505083680. Its totient is φ = 155473095168.

The previous prime is 549824135233. The next prime is 549824135249. The reversal of 549824135238 is 832531428945.

549824135238 is a `hidden beast` number, since 5 + 4 + 98 + 24 + 1 + 3 + 523 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549824135233) 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, 22480993 + ... + 22505436.

It is an arithmetic number, because the mean of its divisors is an integer number (28656355910).

Almost surely, 2^549824135238 is an apocalyptic number.

549824135238 is an abundant number, since it is smaller than the sum of its proper divisors (825680948442).

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

549824135238 is a wasteful number, since it uses less digits than its factorization.

549824135238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44986541 (or 44986538 counting only the distinct ones).

The product of its digits is 8294400, while the sum is 54.

The spelling of 549824135238 in words is "five hundred forty-nine billion, eight hundred twenty-four million, one hundred thirty-five thousand, two hundred thirty-eight".