1344555438 has 32 divisors (see below), whose sum is σ = 2712528000. Its totient is φ = 444294816.

The previous prime is 1344555437. The next prime is 1344555451. The reversal of 1344555438 is 8345554431.

It is a self number, because there is not a number n which added to its sum of digits gives 1344555438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344555437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 573673 + ... + 576011.

It is an arithmetic number, because the mean of its divisors is an integer number (84766500).

Almost surely, 2^1344555438 is an apocalyptic number.

1344555438 is an abundant number, since it is smaller than the sum of its proper divisors (1367972562).

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

1344555438 is a wasteful number, since it uses less digits than its factorization.

1344555438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3136.

The product of its digits is 576000, while the sum is 42.

The square root of 1344555438 is about 36668.1801839142. The cubic root of 1344555438 is about 1103.7216745479.

The spelling of 1344555438 in words is "one billion, three hundred forty-four million, five hundred fifty-five thousand, four hundred thirty-eight".