1320314544 has 60 divisors (see below), whose sum is σ = 3714270456. Its totient is φ = 437815296.

The previous prime is 1320314543. The next prime is 1320314551. The reversal of 1320314544 is 4454130231.

It is a happy number.

1320314544 is a `hidden beast` number, since 1 + 3 + 203 + 1 + 454 + 4 = 666.

It is not an unprimeable number, because it can be changed into a prime (1320314543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4039 + ... + 51545.

Almost surely, 2^1320314544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1320314544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1857135228).

1320314544 is an abundant number, since it is smaller than the sum of its proper divisors (2393955912).

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

1320314544 is a wasteful number, since it uses less digits than its factorization.

1320314544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47714 (or 47705 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 1320314544 is about 36336.1327606557. The cubic root of 1320314544 is about 1097.0484355358.

Adding to 1320314544 its reverse (4454130231), we get a palindrome (5774444775).

The spelling of 1320314544 in words is "one billion, three hundred twenty million, three hundred fourteen thousand, five hundred forty-four".