6477044720 has 80 divisors (see below), whose sum is σ = 15929462592. Its totient is φ = 2444175360.

The previous prime is 6477044719. The next prime is 6477044747. The reversal of 6477044720 is 274407746.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110210 + ... + 158430.

Almost surely, 2^6477044720 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6477044720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7964731296).

6477044720 is an abundant number, since it is smaller than the sum of its proper divisors (9452417872).

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

6477044720 is a wasteful number, since it uses less digits than its factorization.

6477044720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48330 (or 48324 counting only the distinct ones).

The product of its (nonzero) digits is 263424, while the sum is 41.

The square root of 6477044720 is about 80480.0889661536. The cubic root of 6477044720 is about 1864.0560425106.

The spelling of 6477044720 in words is "six billion, four hundred seventy-seven million, forty-four thousand, seven hundred twenty".