6449581760 has 56 divisors (see below), whose sum is σ = 15366034800. Its totient is φ = 2578494464.

The previous prime is 6449581753. The next prime is 6449581807. The reversal of 6449581760 is 671859446.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 6449581699 and 6449581708.

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 7 ways as a sum of consecutive naturals, for example, 811727 + ... + 819633.

Almost surely, 2^6449581760 is an apocalyptic number.

It is an amenable number.

6449581760 is an abundant number, since it is smaller than the sum of its proper divisors (8916453040).

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

6449581760 is a wasteful number, since it uses less digits than its factorization.

6449581760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10473 (or 10463 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 50.

The square root of 6449581760 is about 80309.2881303277. The cubic root of 6449581760 is about 1861.4177497659.

The spelling of 6449581760 in words is "six billion, four hundred forty-nine million, five hundred eighty-one thousand, seven hundred sixty".