420364010564 has 12 divisors (see below), whose sum is σ = 737490011244. Its totient is φ = 209652578784.

The previous prime is 420364010551. The next prime is 420364010579. The reversal of 420364010564 is 465010463024.

It can be written as a sum of positive squares in 2 ways, for example, as 150421416964 + 269942593600 = 387842^2 + 519560^2 .

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 3 ways as a sum of consecutive naturals, for example, 132354839 + ... + 132358014.

It is an arithmetic number, because the mean of its divisors is an integer number (61457500937).

Almost surely, 2^420364010564 is an apocalyptic number.

It is an amenable number.

420364010564 is a deficient number, since it is larger than the sum of its proper divisors (317126000680).

420364010564 is a wasteful number, since it uses less digits than its factorization.

420364010564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264713254 (or 264713252 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 420364010564 its reverse (465010463024), we get a palindrome (885374473588).

The spelling of 420364010564 in words is "four hundred twenty billion, three hundred sixty-four million, ten thousand, five hundred sixty-four".