6420046600 has 96 divisors (see below), whose sum is σ = 17241530400. Its totient is φ = 2197222400.

The previous prime is 6420046543. The next prime is 6420046609. The reversal of 6420046600 is 66400246.

It is not an unprimeable number, because it can be changed into a prime (6420046609) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48430 + ... + 123229.

It is an arithmetic number, because the mean of its divisors is an integer number (179599275).

Almost surely, 2^6420046600 is an apocalyptic number.

It is an amenable number.

6420046600 is an abundant number, since it is smaller than the sum of its proper divisors (10821483800).

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

6420046600 is a wasteful number, since it uses less digits than its factorization.

6420046600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171703 (or 171694 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 6420046600 is about 80125.1932914985. The cubic root of 6420046600 is about 1858.5720145389.

Adding to 6420046600 its reverse (66400246), we get a palindrome (6486446846).

The spelling of 6420046600 in words is "six billion, four hundred twenty million, forty-six thousand, six hundred".