500909204238 has 16 divisors (see below), whose sum is σ = 1001828343936. Its totient is φ = 166968078840.

The previous prime is 500909204209. The next prime is 500909204261. The reversal of 500909204238 is 832402909005.

It is a self number, because there is not a number n which added to its sum of digits gives 500909204238.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 349845 + ... + 1060287.

It is an arithmetic number, because the mean of its divisors is an integer number (62614271496).

Almost surely, 2^500909204238 is an apocalyptic number.

500909204238 is an abundant number, since it is smaller than the sum of its proper divisors (500919139698).

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

500909204238 is a wasteful number, since it uses less digits than its factorization.

500909204238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827959.

The product of its (nonzero) digits is 155520, while the sum is 42.

The spelling of 500909204238 in words is "five hundred billion, nine hundred nine million, two hundred four thousand, two hundred thirty-eight".