538041218 has 16 divisors (see below), whose sum is σ = 948157056. Its totient is φ = 225751440.

The previous prime is 538041173. The next prime is 538041227. The reversal of 538041218 is 812140835.

It is an unprimeable number.

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, 940346 + ... + 940917.

It is an arithmetic number, because the mean of its divisors is an integer number (59259816).

Almost surely, 2^538041218 is an apocalyptic number.

538041218 is a deficient number, since it is larger than the sum of its proper divisors (410115838).

538041218 is a wasteful number, since it uses less digits than its factorization.

538041218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1881289.

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 538041218 is about 23195.7155095505. The cubic root of 538041218 is about 813.3394712353.

The spelling of 538041218 in words is "five hundred thirty-eight million, forty-one thousand, two hundred eighteen".