6467604388 has 48 divisors (see below), whose sum is σ = 13237185024. Its totient is φ = 2707361280.

The previous prime is 6467604383. The next prime is 6467604421. The reversal of 6467604388 is 8834067646.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (6467604383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 680920 + ... + 690352.

It is an arithmetic number, because the mean of its divisors is an integer number (275774688).

Almost surely, 2^6467604388 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 6467604388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6618592512).

6467604388 is an abundant number, since it is smaller than the sum of its proper divisors (6769580636).

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

6467604388 is a wasteful number, since it uses less digits than its factorization.

6467604388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10012 (or 10010 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 52.

The square root of 6467604388 is about 80421.4174707211. The cubic root of 6467604388 is about 1863.1499778369.

The spelling of 6467604388 in words is "six billion, four hundred sixty-seven million, six hundred four thousand, three hundred eighty-eight".