6540468 has 24 divisors (see below), whose sum is σ = 16648800. Its totient is φ = 1981920.

The previous prime is 6540467. The next prime is 6540493. The reversal of 6540468 is 8640456.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6540467) 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, 24643 + ... + 24906.

It is an arithmetic number, because the mean of its divisors is an integer number (693700).

Almost surely, 2^6540468 is an apocalyptic number.

It is an amenable number.

6540468 is an abundant number, since it is smaller than the sum of its proper divisors (10108332).

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

6540468 is a wasteful number, since it uses less digits than its factorization.

6540468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49567 (or 49565 counting only the distinct ones).

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

The square root of 6540468 is about 2557.4338701128. The cubic root of 6540468 is about 187.0120575218.

The spelling of 6540468 in words is "six million, five hundred forty thousand, four hundred sixty-eight".