6420462006 has 64 divisors (see below), whose sum is σ = 15328051200. Its totient is φ = 1752982176.

The previous prime is 6420461941. The next prime is 6420462011. The reversal of 6420462006 is 6002640246.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1271635 + ... + 1276673.

It is an arithmetic number, because the mean of its divisors is an integer number (239500800).

Almost surely, 2^6420462006 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6420462006, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7664025600).

6420462006 is an abundant number, since it is smaller than the sum of its proper divisors (8907589194).

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

6420462006 is a wasteful number, since it uses less digits than its factorization.

6420462006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6393.

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

The square root of 6420462006 is about 80127.7854804437. The cubic root of 6420462006 is about 1858.6120996745.

The spelling of 6420462006 in words is "six billion, four hundred twenty million, four hundred sixty-two thousand, six".