6540839030 has 32 divisors (see below), whose sum is σ = 12853837728. Its totient is φ = 2376633600.

The previous prime is 6540839027. The next prime is 6540839057. The reversal of 6540839030 is 309380456.

It is a super-3 number, since 3×6540839030³ (a number of 30 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 122804 + ... + 167816.

It is an arithmetic number, because the mean of its divisors is an integer number (401682429).

Almost surely, 2^6540839030 is an apocalyptic number.

6540839030 is a deficient number, since it is larger than the sum of its proper divisors (6312998698).

6540839030 is a wasteful number, since it uses less digits than its factorization.

6540839030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46352.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 6540839030 is about 80875.4538163465. The cubic root of 6540839030 is about 1870.1559375047.

The spelling of 6540839030 in words is "six billion, five hundred forty million, eight hundred thirty-nine thousand, thirty".