424322240 has 112 divisors (see below), whose sum is σ = 1042854912. Its totient is φ = 164376576.

The previous prime is 424322207. The next prime is 424322257. The reversal of 424322240 is 42223424.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2153822 + ... + 2154018.

Almost surely, 2^424322240 is an apocalyptic number.

424322240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 424322240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (521427456).

424322240 is an abundant number, since it is smaller than the sum of its proper divisors (618532672).

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

424322240 is a wasteful number, since it uses less digits than its factorization.

424322240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394 (or 384 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 424322240 is about 20599.0834747568. The cubic root of 424322240 is about 751.4474211288.

Adding to 424322240 its reverse (42223424), we get a palindrome (466545664).

The spelling of 424322240 in words is "four hundred twenty-four million, three hundred twenty-two thousand, two hundred forty".