500003320040 has 128 divisors (see below), whose sum is σ = 1305502928640. Its totient is φ = 168794689536.

The previous prime is 500003320039. The next prime is 500003320057. The reversal of 500003320040 is 40023300005.

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 31 ways as a sum of consecutive naturals, for example, 54718352 + ... + 54727488.

It is an arithmetic number, because the mean of its divisors is an integer number (10199241630).

Almost surely, 2^500003320040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 500003320040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (652751464320).

500003320040 is an abundant number, since it is smaller than the sum of its proper divisors (805499608600).

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

500003320040 is a wasteful number, since it uses less digits than its factorization.

500003320040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12139 (or 12135 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 17.

Adding to 500003320040 its reverse (40023300005), we get a palindrome (540026620045).

The spelling of 500003320040 in words is "five hundred billion, three million, three hundred twenty thousand, forty".