518825047090 has 32 divisors (see below), whose sum is σ = 1096143116544. Its totient is φ = 173075227200.

The previous prime is 518825047049. The next prime is 518825047121. The reversal of 518825047090 is 90740528815.

It is a happy number.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100156686 + ... + 100161865.

It is an arithmetic number, because the mean of its divisors is an integer number (34254472392).

Almost surely, 2^518825047090 is an apocalyptic number.

518825047090 is an abundant number, since it is smaller than the sum of its proper divisors (577318069454).

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

518825047090 is a wasteful number, since it uses less digits than its factorization.

518825047090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200318602.

The product of its (nonzero) digits is 806400, while the sum is 49.

The spelling of 518825047090 in words is "five hundred eighteen billion, eight hundred twenty-five million, forty-seven thousand, ninety".