6540116442 has 8 divisors (see below), whose sum is σ = 13080232896. Its totient is φ = 2180038812.

The previous prime is 6540116437. The next prime is 6540116459. The reversal of 6540116442 is 2446110456.

It is a sphenic number, since it is the product of 3 distinct primes.

6540116442 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 545009698 + ... + 545009709.

It is an arithmetic number, because the mean of its divisors is an integer number (1635029112).

Almost surely, 2^6540116442 is an apocalyptic number.

6540116442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

6540116442 is a wasteful number, since it uses less digits than its factorization.

6540116442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1090019412.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 6540116442 is about 80870.9864042723. The cubic root of 6540116442 is about 1870.0870675428.

Adding to 6540116442 its reverse (2446110456), we get a palindrome (8986226898).

The spelling of 6540116442 in words is "six billion, five hundred forty million, one hundred sixteen thousand, four hundred forty-two".