424646420 has 96 divisors (see below), whose sum is σ = 1017878400. Its totient is φ = 147392000.

The previous prime is 424646413. The next prime is 424646477. The reversal of 424646420 is 24646424.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 644051 + ... + 644709.

It is an arithmetic number, because the mean of its divisors is an integer number (10602900).

Almost surely, 2^424646420 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 424646420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (508939200).

424646420 is an abundant number, since it is smaller than the sum of its proper divisors (593231980).

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

424646420 is a wasteful number, since it uses less digits than its factorization.

424646420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809 (or 807 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

The square root of 424646420 is about 20606.9507690973. The cubic root of 424646420 is about 751.6387397312.

It can be divided in two parts, 42464 and 6420, that added together give a palindrome (48884).

The spelling of 424646420 in words is "four hundred twenty-four million, six hundred forty-six thousand, four hundred twenty".