1424320320 has 112 divisors (see below), whose sum is σ = 4632643008. Its totient is φ = 370544640.

The previous prime is 1424320307. The next prime is 1424320349. The reversal of 1424320320 is 230234241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21267 + ... + 57453.

It is an arithmetic number, because the mean of its divisors is an integer number (41362884).

Almost surely, 2^1424320320 is an apocalyptic number.

1424320320 is a gapful number since it is divisible by the number (10) 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 1424320320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2316321504).

1424320320 is an abundant number, since it is smaller than the sum of its proper divisors (3208322688).

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

1424320320 is a wasteful number, since it uses less digits than its factorization.

1424320320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36248 (or 36238 counting only the distinct ones).

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

The square root of 1424320320 is about 37740.1685210864. The cubic root of 1424320320 is about 1125.1296166706.

Adding to 1424320320 its reverse (230234241), we get a palindrome (1654554561).

The spelling of 1424320320 in words is "one billion, four hundred twenty-four million, three hundred twenty thousand, three hundred twenty".