421459456 has 60 divisors (see below), whose sum is σ = 925745436. Its totient is φ = 191544320.

The previous prime is 421459453. The next prime is 421459457. The reversal of 421459456 is 654954124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421459453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 58551 + ... + 65353.

Almost surely, 2^421459456 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 421459456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (462872718).

421459456 is an abundant number, since it is smaller than the sum of its proper divisors (504285980).

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

421459456 is an equidigital number, since it uses as much as digits as its factorization.

421459456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6843 (or 6816 counting only the distinct ones).

The product of its digits is 172800, while the sum is 40.

The square root of 421459456 is about 20529.4777332498. The cubic root of 421459456 is about 749.7536708085.

The spelling of 421459456 in words is "four hundred twenty-one million, four hundred fifty-nine thousand, four hundred fifty-six".