6489711360 has 576 divisors, whose sum is σ = 25772060160. Its totient is φ = 1532805120.

The previous prime is 6489711331. The next prime is 6489711367. The reversal of 6489711360 is 631179846.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (576).

It is a super-2 number, since 2×6489711360² = 84232707072226099200, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (6489711367) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16346682 + ... + 16347078.

It is an arithmetic number, because the mean of its divisors is an integer number (44743160).

Almost surely, 2^6489711360 is an apocalyptic number.

6489711360 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6489711360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12886030080).

6489711360 is an abundant number, since it is smaller than the sum of its proper divisors (19282348800).

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

6489711360 is a wasteful number, since it uses less digits than its factorization.

6489711360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481 (or 461 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 6489711360 is about 80558.7447767156. The cubic root of 6489711360 is about 1865.2703798591.

The spelling of 6489711360 in words is "six billion, four hundred eighty-nine million, seven hundred eleven thousand, three hundred sixty".