6438872304 has 80 divisors (see below), whose sum is σ = 19454707200. Its totient is φ = 2033325504.

The previous prime is 6438872249. The next prime is 6438872351. The reversal of 6438872304 is 4032788346.

It is a self number, because there is not a number n which added to its sum of digits gives 6438872304.

It is a congruent number.

It is an unprimeable number.

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, 384024 + ... + 400439.

It is an arithmetic number, because the mean of its divisors is an integer number (243183840).

Almost surely, 2^6438872304 is an apocalyptic number.

It is an amenable number.

6438872304 is an abundant number, since it is smaller than the sum of its proper divisors (13015834896).

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

6438872304 is a wasteful number, since it uses less digits than its factorization.

6438872304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784499 (or 784487 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 45.

The square root of 6438872304 is about 80242.5841059471. The cubic root of 6438872304 is about 1860.3868914229.

The spelling of 6438872304 in words is "six billion, four hundred thirty-eight million, eight hundred seventy-two thousand, three hundred four".