420450646305 has 8 divisors (see below), whose sum is σ = 672721034112. Its totient is φ = 224240344688.

The previous prime is 420450646279. The next prime is 420450646349. The reversal of 420450646305 is 503646054024.

420450646305 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 420450646305 - 2¹⁹ = 420450122017 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14015021529 + ... + 14015021558.

It is an arithmetic number, because the mean of its divisors is an integer number (84090129264).

Almost surely, 2^420450646305 is an apocalyptic number.

It is an amenable number.

420450646305 is a deficient number, since it is larger than the sum of its proper divisors (252270387807).

420450646305 is a wasteful number, since it uses less digits than its factorization.

420450646305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28030043095.

The product of its (nonzero) digits is 345600, while the sum is 39.

The spelling of 420450646305 in words is "four hundred twenty billion, four hundred fifty million, six hundred forty-six thousand, three hundred five".