6420062406 has 8 divisors (see below), whose sum is σ = 12840124824. Its totient is φ = 2140020800.

The previous prime is 6420062347. The next prime is 6420062417. The reversal of 6420062406 is 6042600246.

It is a sphenic number, since it is the product of 3 distinct primes.

6420062406 is an admirable number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 535005195 + ... + 535005206.

It is an arithmetic number, because the mean of its divisors is an integer number (1605015603).

Almost surely, 2^6420062406 is an apocalyptic number.

6420062406 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

6420062406 is a wasteful number, since it uses less digits than its factorization.

6420062406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070010406.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 6420062406 is about 80125.2919245852. The cubic root of 6420062406 is about 1858.5735397909.

The spelling of 6420062406 in words is "six billion, four hundred twenty million, sixty-two thousand, four hundred six".