6420266304 has 28 divisors (see below), whose sum is σ = 16986955104. Its totient is φ = 2140088704.

The previous prime is 6420266249. The next prime is 6420266311. The reversal of 6420266304 is 4036620246.

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 3 ways as a sum of consecutive naturals, for example, 16719252 + ... + 16719635.

It is an arithmetic number, because the mean of its divisors is an integer number (606676968).

Almost surely, 2^6420266304 is an apocalyptic number.

6420266304 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

6420266304 is an abundant number, since it is smaller than the sum of its proper divisors (10566688800).

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

6420266304 is a wasteful number, since it uses less digits than its factorization.

6420266304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33438902 (or 33438892 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 33.

The square root of 6420266304 is about 80126.5642842622. The cubic root of 6420266304 is about 1858.5932153741.

The spelling of 6420266304 in words is "six billion, four hundred twenty million, two hundred sixty-six thousand, three hundred four".