538240368 has 40 divisors (see below), whose sum is σ = 1398513168. Its totient is φ = 178373632.

The previous prime is 538240363. The next prime is 538240399. The reversal of 538240368 is 863042835.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538240361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24105 + ... + 40712.

Almost surely, 2^538240368 is an apocalyptic number.

It is an amenable number.

538240368 is an abundant number, since it is smaller than the sum of its proper divisors (860272800).

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

538240368 is a wasteful number, since it uses less digits than its factorization.

538240368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65001 (or 64995 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 39.

The square root of 538240368 is about 23200.0079310331. The cubic root of 538240368 is about 813.4398083903.

The spelling of 538240368 in words is "five hundred thirty-eight million, two hundred forty thousand, three hundred sixty-eight".