6475645080 has 48 divisors (see below), whose sum is σ = 21045847680. Its totient is φ = 1726838592.

The previous prime is 6475645069. The next prime is 6475645129. The reversal of 6475645080 is 805465746.

6475645080 is a `hidden beast` number, since 6 + 4 + 7 + 564 + 5 + 0 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8993592 + ... + 8994311.

It is an arithmetic number, because the mean of its divisors is an integer number (438455160).

Almost surely, 2^6475645080 is an apocalyptic number.

6475645080 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6475645080 is an abundant number, since it is smaller than the sum of its proper divisors (14570202600).

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

6475645080 is a wasteful number, since it uses less digits than its factorization.

6475645080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17987920 (or 17987913 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The square root of 6475645080 is about 80471.3929294131. The cubic root of 6475645080 is about 1863.9217634032.

The spelling of 6475645080 in words is "six billion, four hundred seventy-five million, six hundred forty-five thousand, eighty".