6576256540 has 48 divisors (see below), whose sum is σ = 16711434432. Its totient is φ = 2122085376.

The previous prime is 6576256513. The next prime is 6576256607. The reversal of 6576256540 is 456526756.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1379187 + ... + 1383946.

It is an arithmetic number, because the mean of its divisors is an integer number (348154884).

Almost surely, 2^6576256540 is an apocalyptic number.

It is an amenable number.

6576256540 is an abundant number, since it is smaller than the sum of its proper divisors (10135177892).

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

6576256540 is a wasteful number, since it uses less digits than its factorization.

6576256540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2763166 (or 2763164 counting only the distinct ones).

The product of its (nonzero) digits is 1512000, while the sum is 46.

The square root of 6576256540 is about 81094.1214885518. The cubic root of 6576256540 is about 1873.5253865937.

The spelling of 6576256540 in words is "six billion, five hundred seventy-six million, two hundred fifty-six thousand, five hundred forty".