1320416452 has 12 divisors (see below), whose sum is σ = 2446654140. Its totient is φ = 621372416.

The previous prime is 1320416423. The next prime is 1320416459. The reversal of 1320416452 is 2546140231.

It can be written as a sum of positive squares in 2 ways, for example, as 1017865216 + 302551236 = 31904^2 + 17394^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1320416452.

It is not an unprimeable number, because it can be changed into a prime (1320416459) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 9708877 + ... + 9709012.

It is an arithmetic number, because the mean of its divisors is an integer number (203887845).

Almost surely, 2^1320416452 is an apocalyptic number.

It is an amenable number.

1320416452 is a deficient number, since it is larger than the sum of its proper divisors (1126237688).

1320416452 is a wasteful number, since it uses less digits than its factorization.

1320416452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19417910 (or 19417908 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 1320416452 is about 36337.5350292229. The cubic root of 1320416452 is about 1097.0766599051.

Adding to 1320416452 its reverse (2546140231), we get a palindrome (3866556683).

The spelling of 1320416452 in words is "one billion, three hundred twenty million, four hundred sixteen thousand, four hundred fifty-two".