420224362566 has 48 divisors (see below), whose sum is σ = 888234407424. Its totient is φ = 132519399408.

The previous prime is 420224362559. The next prime is 420224362583. The reversal of 420224362566 is 665263422024.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1441251 + ... + 1708113.

It is an arithmetic number, because the mean of its divisors is an integer number (18504883488).

Almost surely, 2^420224362566 is an apocalyptic number.

420224362566 is an abundant number, since it is smaller than the sum of its proper divisors (468010044858).

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

420224362566 is a wasteful number, since it uses less digits than its factorization.

420224362566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267633 (or 267614 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 42.

The spelling of 420224362566 in words is "four hundred twenty billion, two hundred twenty-four million, three hundred sixty-two thousand, five hundred sixty-six".