426665440210420 has 24 divisors (see below), whose sum is σ = 896005396490400. Its totient is φ = 170664657598752.

The previous prime is 426665440210397. The next prime is 426665440210447. The reversal of 426665440210420 is 24012044566624.

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 7 ways as a sum of consecutive naturals, for example, 92599930 + ... + 97098289.

It is an arithmetic number, because the mean of its divisors is an integer number (37333558187100).

Almost surely, 2^{426665440210420} is an apocalyptic number.

It is an amenable number.

426665440210420 is an abundant number, since it is smaller than the sum of its proper divisors (469339956279980).

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

426665440210420 is a wasteful number, since it uses less digits than its factorization.

426665440210420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189810687 (or 189810685 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 46.

The spelling of 426665440210420 in words is "four hundred twenty-six trillion, six hundred sixty-five billion, four hundred forty million, two hundred ten thousand, four hundred twenty".