421341754032 has 120 divisors (see below), whose sum is σ = 1197423699264. Its totient is φ = 138275609472.

The previous prime is 421341754021. The next prime is 421341754063. The reversal of 421341754032 is 230457143124.

421341754032 is a `hidden beast` number, since 42 + 1 + 3 + 41 + 7 + 540 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 19314043 + ... + 19335845.

Almost surely, 2^421341754032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 421341754032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (598711849632).

421341754032 is an abundant number, since it is smaller than the sum of its proper divisors (776081945232).

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

421341754032 is a wasteful number, since it uses less digits than its factorization.

421341754032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23887 (or 23878 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

Adding to 421341754032 its reverse (230457143124), we get a palindrome (651798897156).

The spelling of 421341754032 in words is "four hundred twenty-one billion, three hundred forty-one million, seven hundred fifty-four thousand, thirty-two".