6540342112 has 24 divisors (see below), whose sum is σ = 12878109216. Its totient is φ = 3269711232.

The previous prime is 6540342059. The next prime is 6540342113. The reversal of 6540342112 is 2112430456.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6540342113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 405433 + ... + 421255.

It is an arithmetic number, because the mean of its divisors is an integer number (536587884).

Almost surely, 2^6540342112 is an apocalyptic number.

It is an amenable number.

6540342112 is a deficient number, since it is larger than the sum of its proper divisors (6337767104).

6540342112 is a wasteful number, since it uses less digits than its factorization.

6540342112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28750 (or 28742 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 6540342112 is about 80872.3816392222. The cubic root of 6540342112 is about 1870.1085767263.

Adding to 6540342112 its reverse (2112430456), we get a palindrome (8652772568).

The spelling of 6540342112 in words is "six billion, five hundred forty million, three hundred forty-two thousand, one hundred twelve".