6448684464 has 60 divisors (see below), whose sum is σ = 18066116016. Its totient is φ = 2147327616.

The previous prime is 6448684457. The next prime is 6448684537. The reversal of 6448684464 is 4644868446.

6448684464 is a `hidden beast` number, since 64 + 48 + 6 + 84 + 464 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 6448684464.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 118774 + ... + 164330.

Almost surely, 2^6448684464 is an apocalyptic number.

It is an amenable number.

6448684464 is an abundant number, since it is smaller than the sum of its proper divisors (11617431552).

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

6448684464 is a wasteful number, since it uses less digits than its factorization.

6448684464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46554 (or 46545 counting only the distinct ones).

The product of its digits is 14155776, while the sum is 54.

The square root of 6448684464 is about 80303.7014339937. The cubic root of 6448684464 is about 1861.3314227126.

The spelling of 6448684464 in words is "six billion, four hundred forty-eight million, six hundred eighty-four thousand, four hundred sixty-four".