6420826000 has 40 divisors (see below), whose sum is σ = 15525562104. Its totient is φ = 2568329600.

The previous prime is 6420825959. The next prime is 6420826001. The reversal of 6420826000 is 6280246.

It can be written as a sum of positive squares in 4 ways, for example, as 12503296 + 6408322704 = 3536^2 + 80052^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 6420826000.

It is not an unprimeable number, because it can be changed into a prime (6420826001) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1603207 + ... + 1607206.

Almost surely, 2^6420826000 is an apocalyptic number.

It is an amenable number.

6420826000 is an abundant number, since it is smaller than the sum of its proper divisors (9104736104).

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

6420826000 is a wasteful number, since it uses less digits than its factorization.

6420826000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3210436 (or 3210420 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 6420826000 is about 80130.0567827079. The cubic root of 6420826000 is about 1858.6472223219.

The spelling of 6420826000 in words is "six billion, four hundred twenty million, eight hundred twenty-six thousand".