6495528444 has 24 divisors (see below), whose sum is σ = 15157546320. Its totient is φ = 2164988544.

The previous prime is 6495528439. The next prime is 6495528491. The reversal of 6495528444 is 4448255946.

It is a super-2 number, since 2×6495528444² = 84383779533626122272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232912 + ... + 259304.

It is an arithmetic number, because the mean of its divisors is an integer number (631564430).

Almost surely, 2^6495528444 is an apocalyptic number.

It is an amenable number.

6495528444 is an abundant number, since it is smaller than the sum of its proper divisors (8662017876).

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

6495528444 is a wasteful number, since it uses less digits than its factorization.

6495528444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46909 (or 46907 counting only the distinct ones).

The product of its digits is 5529600, while the sum is 51.

The square root of 6495528444 is about 80594.8412989318. The cubic root of 6495528444 is about 1865.8275281177.

The spelling of 6495528444 in words is "six billion, four hundred ninety-five million, five hundred twenty-eight thousand, four hundred forty-four".