421384345344 has 108 divisors (see below), whose sum is σ = 1286423008416. Its totient is φ = 132198998016.

The previous prime is 421384345337. The next prime is 421384345399. The reversal of 421384345344 is 443543483124.

421384345344 is a `hidden beast` number, since 4 + 2 + 1 + 3 + 84 + 34 + 534 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 421384345344.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5340024 + ... + 5418359.

It is an arithmetic number, because the mean of its divisors is an integer number (11911324152).

Almost surely, 2^421384345344 is an apocalyptic number.

It is an amenable number.

421384345344 is an abundant number, since it is smaller than the sum of its proper divisors (865038663072).

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

421384345344 is a wasteful number, since it uses less digits than its factorization.

421384345344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10758422 (or 10758405 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 45.

The spelling of 421384345344 in words is "four hundred twenty-one billion, three hundred eighty-four million, three hundred forty-five thousand, three hundred forty-four".