499423000238 has 16 divisors (see below), whose sum is σ = 751361637600. Its totient is φ = 248969275296.

The previous prime is 499423000217. The next prime is 499423000309. The reversal of 499423000238 is 832000324994.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7542431 + ... + 7608357.

It is an arithmetic number, because the mean of its divisors is an integer number (46960102350).

Almost surely, 2^499423000238 is an apocalyptic number.

499423000238 is a deficient number, since it is larger than the sum of its proper divisors (251938637362).

499423000238 is a wasteful number, since it uses less digits than its factorization.

499423000238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77131.

The product of its (nonzero) digits is 373248, while the sum is 44.

The spelling of 499423000238 in words is "four hundred ninety-nine billion, four hundred twenty-three million, two hundred thirty-eight", and thus it is an aban number.