1338013344 has 48 divisors (see below), whose sum is σ = 3548518848. Its totient is φ = 441403392.

The previous prime is 1338013331. The next prime is 1338013349. The reversal of 1338013344 is 4433108331.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (1338013349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62532 + ... + 81155.

It is an arithmetic number, because the mean of its divisors is an integer number (73927476).

Almost surely, 2^1338013344 is an apocalyptic number.

It is an amenable number.

1338013344 is an abundant number, since it is smaller than the sum of its proper divisors (2210505504).

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

1338013344 is a wasteful number, since it uses less digits than its factorization.

1338013344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143797 (or 143789 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 1338013344 is about 36578.8647172107. The cubic root of 1338013344 is about 1101.9286671152.

The spelling of 1338013344 in words is "one billion, three hundred thirty-eight million, thirteen thousand, three hundred forty-four".