6216320140 has 24 divisors (see below), whose sum is σ = 13174040880. Its totient is φ = 2463715008.

The previous prime is 6216320137. The next prime is 6216320171. The reversal of 6216320140 is 410236126.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1423582 + ... + 1427941.

It is an arithmetic number, because the mean of its divisors is an integer number (548918370).

Almost surely, 2^6216320140 is an apocalyptic number.

It is an amenable number.

6216320140 is an abundant number, since it is smaller than the sum of its proper divisors (6957720740).

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

6216320140 is a wasteful number, since it uses less digits than its factorization.

6216320140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2851641 (or 2851639 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 6216320140 is about 78843.6436245814. The cubic root of 6216320140 is about 1838.7010503762.

Adding to 6216320140 its reverse (410236126), we get a palindrome (6626556266).

The spelling of 6216320140 in words is "six billion, two hundred sixteen million, three hundred twenty thousand, one hundred forty".