1320144424 has 32 divisors (see below), whose sum is σ = 2558707200. Its totient is φ = 637882560.

The previous prime is 1320144407. The next prime is 1320144451. The reversal of 1320144424 is 4244410231.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194317 + ... + 200995.

It is an arithmetic number, because the mean of its divisors is an integer number (79959600).

Almost surely, 2^1320144424 is an apocalyptic number.

It is an amenable number.

1320144424 is a deficient number, since it is larger than the sum of its proper divisors (1238562776).

1320144424 is a wasteful number, since it uses less digits than its factorization.

1320144424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7513 (or 7509 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 1320144424 is about 36333.7917646920. The cubic root of 1320144424 is about 1097.0013159822.

Adding to 1320144424 its reverse (4244410231), we get a palindrome (5564554655).

The spelling of 1320144424 in words is "one billion, three hundred twenty million, one hundred forty-four thousand, four hundred twenty-four".