420443310066 has 32 divisors (see below), whose sum is σ = 913878208320. Its totient is φ = 128180314944.

The previous prime is 420443310047. The next prime is 420443310083. The reversal of 420443310066 is 660013344024.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24717640 + ... + 24734643.

It is an arithmetic number, because the mean of its divisors is an integer number (28558694010).

Almost surely, 2^420443310066 is an apocalyptic number.

420443310066 is an abundant number, since it is smaller than the sum of its proper divisors (493434898254).

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

420443310066 is a wasteful number, since it uses less digits than its factorization.

420443310066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49452410.

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

The spelling of 420443310066 in words is "four hundred twenty billion, four hundred forty-three million, three hundred ten thousand, sixty-six".