1344224320 has 28 divisors (see below), whose sum is σ = 3200934924. Its totient is φ = 537689600.

The previous prime is 1344224303. The next prime is 1344224339. The reversal of 1344224320 is 234224431.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 356756544 + 987467776 = 18888^2 + 31424^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2100031 + ... + 2100670.

Almost surely, 2^1344224320 is an apocalyptic number.

1344224320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1344224320 is an abundant number, since it is smaller than the sum of its proper divisors (1856710604).

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

1344224320 is an equidigital number, since it uses as much as digits as its factorization.

1344224320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4200718 (or 4200708 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 1344224320 is about 36663.6648468208. The cubic root of 1344224320 is about 1103.6310641480.

Adding to 1344224320 its reverse (234224431), we get a palindrome (1578448751).

The spelling of 1344224320 in words is "one billion, three hundred forty-four million, two hundred twenty-four thousand, three hundred twenty".