1344621366 has 96 divisors (see below), whose sum is σ = 3377181600. Its totient is φ = 382717440.

The previous prime is 1344621347. The next prime is 1344621367. The reversal of 1344621366 is 6631264431.

1344621366 is a `hidden beast` number, since 134 + 462 + 1 + 3 + 66 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1344621366.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344621367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 209290 + ... + 215618.

It is an arithmetic number, because the mean of its divisors is an integer number (35178975).

Almost surely, 2^1344621366 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1344621366, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1688590800).

1344621366 is an abundant number, since it is smaller than the sum of its proper divisors (2032560234).

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

1344621366 is a wasteful number, since it uses less digits than its factorization.

1344621366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6414 (or 6411 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

The square root of 1344621366 is about 36669.0791539684. The cubic root of 1344621366 is about 1103.7397139611.

Adding to 1344621366 its reverse (6631264431), we get a palindrome (7975885797).

The spelling of 1344621366 in words is "one billion, three hundred forty-four million, six hundred twenty-one thousand, three hundred sixty-six".