6441928400 has 60 divisors (see below), whose sum is σ = 15487476000. Its totient is φ = 2574983040.

The previous prime is 6441928391. The next prime is 6441928403. The reversal of 6441928400 is 48291446.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6441928403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 674861 + ... + 684339.

It is an arithmetic number, because the mean of its divisors is an integer number (258124600).

Almost surely, 2^6441928400 is an apocalyptic number.

It is an amenable number.

6441928400 is an abundant number, since it is smaller than the sum of its proper divisors (9045547600).

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

6441928400 is a wasteful number, since it uses less digits than its factorization.

6441928400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11196 (or 11185 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 6441928400 is about 80261.6247032167. The cubic root of 6441928400 is about 1860.6811780306.

The spelling of 6441928400 in words is "six billion, four hundred forty-one million, nine hundred twenty-eight thousand, four hundred".