1344728256 has 56 divisors (see below), whose sum is σ = 3583594560. Its totient is φ = 445009152.

The previous prime is 1344728227. The next prime is 1344728269. The reversal of 1344728256 is 6528274431.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1495 + ... + 51881.

It is an arithmetic number, because the mean of its divisors is an integer number (63992760).

Almost surely, 2^1344728256 is an apocalyptic number.

1344728256 is a gapful number since it is divisible by the number (16) 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 1344728256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1791797280).

1344728256 is an abundant number, since it is smaller than the sum of its proper divisors (2238866304).

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

1344728256 is a wasteful number, since it uses less digits than its factorization.

1344728256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50541 (or 50531 counting only the distinct ones).

The product of its digits is 322560, while the sum is 42.

The square root of 1344728256 is about 36670.5366200169. The cubic root of 1344728256 is about 1103.7689602641.

The spelling of 1344728256 in words is "one billion, three hundred forty-four million, seven hundred twenty-eight thousand, two hundred fifty-six".