1363251344 has 90 divisors (see below), whose sum is σ = 3327384690. Its totient is φ = 539255808.

The previous prime is 1363251341. The next prime is 1363251367. The reversal of 1363251344 is 4431523631.

It can be written as a sum of positive squares in 3 ways, for example, as 68690944 + 1294560400 = 8288^2 + 35980^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1363251344.

It is not an unprimeable number, because it can be changed into a prime (1363251341) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 127352 + ... + 137640.

It is an arithmetic number, because the mean of its divisors is an integer number (36970941).

Almost surely, 2^1363251344 is an apocalyptic number.

1363251344 is a gapful number since it is divisible by the number (14) 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 1363251344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1663692345).

1363251344 is an abundant number, since it is smaller than the sum of its proper divisors (1964133346).

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

1363251344 is a wasteful number, since it uses less digits than its factorization.

1363251344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10337 (or 10311 counting only the distinct ones).

The product of its digits is 25920, while the sum is 32.

The square root of 1363251344 is about 36922.2337352441. The cubic root of 1363251344 is about 1108.8138572563.

Adding to 1363251344 its reverse (4431523631), we get a palindrome (5794774975).

The spelling of 1363251344 in words is "one billion, three hundred sixty-three million, two hundred fifty-one thousand, three hundred forty-four".