424243320 has 64 divisors (see below), whose sum is σ = 1316628000. Its totient is φ = 109229568.

The previous prime is 424243297. The next prime is 424243321. The reversal of 424243320 is 23342424.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424243321) 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 15 ways as a sum of consecutive naturals, for example, 57475 + ... + 64434.

Almost surely, 2^424243320 is an apocalyptic number.

424243320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

424243320 is an abundant number, since it is smaller than the sum of its proper divisors (892384680).

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

424243320 is a wasteful number, since it uses less digits than its factorization.

424243320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121952 (or 121948 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 424243320 is about 20597.1677664673. The cubic root of 424243320 is about 751.4008308239.

Adding to 424243320 its reverse (23342424), we get a palindrome (447585744).

The spelling of 424243320 in words is "four hundred twenty-four million, two hundred forty-three thousand, three hundred twenty".