6540430340456 has 32 divisors (see below), whose sum is σ = 12340039589760. Its totient is φ = 3249757988352.

The previous prime is 6540430340429. The next prime is 6540430340459.

6540430340456 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (6540430340459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10592081 + ... + 11192543.

It is an arithmetic number, because the mean of its divisors is an integer number (385626237180).

Almost surely, 2^{6540430340456} is an apocalyptic number.

It is an amenable number.

6540430340456 is a deficient number, since it is larger than the sum of its proper divisors (5799609249304).

6540430340456 is a wasteful number, since it uses less digits than its factorization.

6540430340456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608985 (or 608981 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 44.

It can be divided in two parts, 6540430 and 340456, that added together give a palindrome (6880886).

The spelling of 6540430340456 in words is "six trillion, five hundred forty billion, four hundred thirty million, three hundred forty thousand, four hundred fifty-six".