424312320 has 80 divisors (see below), whose sum is σ = 1356498000. Its totient is φ = 113147904.

The previous prime is 424312297. The next prime is 424312331. The reversal of 424312320 is 23213424.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19945 + ... + 35304.

It is an arithmetic number, because the mean of its divisors is an integer number (16956225).

Almost surely, 2^424312320 is an apocalyptic number.

424312320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

424312320 is an abundant number, since it is smaller than the sum of its proper divisors (932185680).

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

424312320 is an equidigital number, since it uses as much as digits as its factorization.

424312320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55275 (or 55259 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 424312320 is about 20598.8426859375. The cubic root of 424312320 is about 751.4415651889.

Adding to 424312320 its reverse (23213424), we get a palindrome (447525744).

The spelling of 424312320 in words is "four hundred twenty-four million, three hundred twelve thousand, three hundred twenty".