1344407768 has 48 divisors (see below), whose sum is σ = 2798394480. Its totient is φ = 605000000.

The previous prime is 1344407759. The next prime is 1344407773. The reversal of 1344407768 is 8677044431.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90893 + ... + 104643.

It is an arithmetic number, because the mean of its divisors is an integer number (58299885).

Almost surely, 2^1344407768 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 1344407768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1399197240).

1344407768 is an abundant number, since it is smaller than the sum of its proper divisors (1453986712).

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

1344407768 is a wasteful number, since it uses less digits than its factorization.

1344407768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13880 (or 13865 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 44.

The square root of 1344407768 is about 36666.1665299224. The cubic root of 1344407768 is about 1103.6812665086.

The spelling of 1344407768 in words is "one billion, three hundred forty-four million, four hundred seven thousand, seven hundred sixty-eight".