1244413368 has 240 divisors, whose sum is σ = 3910599000. Its totient is φ = 369325440.

The previous prime is 1244413361. The next prime is 1244413369. The reversal of 1244413368 is 8633144421.

1244413368 is a `hidden beast` number, since 124 + 441 + 33 + 68 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244413361) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 4625938 + ... + 4626206.

Almost surely, 2^1244413368 is an apocalyptic number.

1244413368 is a gapful number since it is divisible by the number (18) 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 1244413368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1955299500).

1244413368 is an abundant number, since it is smaller than the sum of its proper divisors (2666185632).

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

1244413368 is a wasteful number, since it uses less digits than its factorization.

1244413368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368 (or 344 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 1244413368 is about 35276.2436775800. The cubic root of 1244413368 is about 1075.6101437706.

Adding to 1244413368 its reverse (8633144421), we get a palindrome (9877557789).

The spelling of 1244413368 in words is "one billion, two hundred forty-four million, four hundred thirteen thousand, three hundred sixty-eight".