6457584544 has 24 divisors (see below), whose sum is σ = 13056976548. Its totient is φ = 3141527040.

The previous prime is 6457584517. The next prime is 6457584547. The reversal of 6457584544 is 4454857546.

It can be written as a sum of positive squares in 2 ways, for example, as 6433964944 + 23619600 = 80212^2 + 4860^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6457584491 and 6457584500.

It is not an unprimeable number, because it can be changed into a prime (6457584547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2725837 + ... + 2728204.

Almost surely, 2^6457584544 is an apocalyptic number.

It is an amenable number.

6457584544 is an abundant number, since it is smaller than the sum of its proper divisors (6599392004).

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

6457584544 is a wasteful number, since it uses less digits than its factorization.

6457584544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5454088 (or 5454080 counting only the distinct ones).

The product of its digits is 10752000, while the sum is 52.

The square root of 6457584544 is about 80359.0974563552. The cubic root of 6457584544 is about 1862.1873276843.

The spelling of 6457584544 in words is "six billion, four hundred fifty-seven million, five hundred eighty-four thousand, five hundred forty-four".