6428062820 has 48 divisors (see below), whose sum is σ = 13994926848. Its totient is φ = 2478263040.

The previous prime is 6428062813. The next prime is 6428062841. The reversal of 6428062820 is 282608246.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20837 + ... + 115283.

It is an arithmetic number, because the mean of its divisors is an integer number (291560976).

Almost surely, 2^6428062820 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 6428062820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6997463424).

6428062820 is an abundant number, since it is smaller than the sum of its proper divisors (7566864028).

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

6428062820 is a wasteful number, since it uses less digits than its factorization.

6428062820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94580 (or 94578 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 38.

The square root of 6428062820 is about 80175.2007792933. The cubic root of 6428062820 is about 1859.3452449331.

The spelling of 6428062820 in words is "six billion, four hundred twenty-eight million, sixty-two thousand, eight hundred twenty".