420564260366 has 4 divisors (see below), whose sum is σ = 630846390552. Its totient is φ = 210282130182.

The previous prime is 420564260359. The next prime is 420564260383. The reversal of 420564260366 is 663062465024.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105141065090 + ... + 105141065093.

It is an arithmetic number, because the mean of its divisors is an integer number (157711597638).

Almost surely, 2^420564260366 is an apocalyptic number.

420564260366 is a deficient number, since it is larger than the sum of its proper divisors (210282130186).

420564260366 is a wasteful number, since it uses less digits than its factorization.

420564260366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210282130185.

The product of its (nonzero) digits is 1244160, while the sum is 44.

The spelling of 420564260366 in words is "four hundred twenty billion, five hundred sixty-four million, two hundred sixty thousand, three hundred sixty-six".