6540312441 has 16 divisors (see below), whose sum is σ = 9400366976. Its totient is φ = 4020886656.

The previous prime is 6540312379. The next prime is 6540312479. The reversal of 6540312441 is 1442130456.

It is not a de Polignac number, because 6540312441 - 2⁷ = 6540312313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6540312399 and 6540312408.

It is not an unprimeable number, because it can be changed into a prime (6540312491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40885 + ... + 121458.

It is an arithmetic number, because the mean of its divisors is an integer number (587522936).

Almost surely, 2^6540312441 is an apocalyptic number.

It is an amenable number.

6540312441 is a deficient number, since it is larger than the sum of its proper divisors (2860054535).

6540312441 is a wasteful number, since it uses less digits than its factorization.

6540312441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163392.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 6540312441 is about 80872.1981956717. The cubic root of 6540312441 is about 1870.1057487359.

Adding to 6540312441 its reverse (1442130456), we get a palindrome (7982442897).

The spelling of 6540312441 in words is "six billion, five hundred forty million, three hundred twelve thousand, four hundred forty-one".