6140409680 has 30 divisors (see below), whose sum is σ = 14278082238. Its totient is φ = 2455883520.

The previous prime is 6140409679. The next prime is 6140409689. The reversal of 6140409680 is 869040416.

It can be written as a sum of positive squares in 3 ways, for example, as 187361344 + 5953048336 = 13688^2 + 77156^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6140409689) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 696500 + ... + 705260.

Almost surely, 2^6140409680 is an apocalyptic number.

It is an amenable number.

6140409680 is an abundant number, since it is smaller than the sum of its proper divisors (8137672558).

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

6140409680 is an frugal number, since it uses more digits than its factorization.

6140409680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17535 (or 8768 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 6140409680 is about 78360.7662035026. The cubic root of 6140409680 is about 1831.1859572473.

The spelling of 6140409680 in words is "six billion, one hundred forty million, four hundred nine thousand, six hundred eighty".