6464408148 has 120 divisors (see below), whose sum is σ = 18540355680. Its totient is φ = 1947775680.

The previous prime is 6464408143. The next prime is 6464408227. The reversal of 6464408148 is 8418044646.

6464408148 is a `hidden beast` number, since 6 + 464 + 40 + 8 + 148 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6464408143) by changing a digit.

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 39 ways as a sum of consecutive naturals, for example, 632890 + ... + 643022.

It is an arithmetic number, because the mean of its divisors is an integer number (154502964).

Almost surely, 2^6464408148 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 6464408148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9270177840).

6464408148 is an abundant number, since it is smaller than the sum of its proper divisors (12075947532).

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

6464408148 is a wasteful number, since it uses less digits than its factorization.

6464408148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10339 (or 10328 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 45.

The square root of 6464408148 is about 80401.5431941452. The cubic root of 6464408148 is about 1862.8430091676.

The spelling of 6464408148 in words is "six billion, four hundred sixty-four million, four hundred eight thousand, one hundred forty-eight".