6544076460 has 48 divisors (see below), whose sum is σ = 18393129216. Its totient is φ = 1738447552.

The previous prime is 6544076431. The next prime is 6544076531. The reversal of 6544076460 is 646704456.

It is a happy number.

It is a super-2 number, since 2×6544076460² = 85649873428652263200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191574 + ... + 223133.

It is an arithmetic number, because the mean of its divisors is an integer number (383190192).

Almost surely, 2^6544076460 is an apocalyptic number.

6544076460 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6544076460 is an abundant number, since it is smaller than the sum of its proper divisors (11849052756).

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

6544076460 is a wasteful number, since it uses less digits than its factorization.

6544076460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414982 (or 414980 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 42.

The square root of 6544076460 is about 80895.4662512059. The cubic root of 6544076460 is about 1870.4644351495.

The spelling of 6544076460 in words is "six billion, five hundred forty-four million, seventy-six thousand, four hundred sixty".