6140487220 has 24 divisors (see below), whose sum is σ = 14737169664. Its totient is φ = 2105309856.

The previous prime is 6140487187. The next prime is 6140487239. The reversal of 6140487220 is 227840416.

It is a happy number.

It is a congruent number.

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, 21930172 + ... + 21930451.

It is an arithmetic number, because the mean of its divisors is an integer number (614048736).

Almost surely, 2^6140487220 is an apocalyptic number.

It is an amenable number.

6140487220 is an abundant number, since it is smaller than the sum of its proper divisors (8596682444).

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

6140487220 is a wasteful number, since it uses less digits than its factorization.

6140487220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43860639 (or 43860637 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 6140487220 is about 78361.2609648415. The cubic root of 6140487220 is about 1831.1936651783.

The spelling of 6140487220 in words is "six billion, one hundred forty million, four hundred eighty-seven thousand, two hundred twenty".