1338280608 has 48 divisors (see below), whose sum is σ = 4014843840. Its totient is φ = 382365696.

The previous prime is 1338280607. The next prime is 1338280651. The reversal of 1338280608 is 8060828331.

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 (1338280607) 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 7 ways as a sum of consecutive naturals, for example, 995073 + ... + 996416.

It is an arithmetic number, because the mean of its divisors is an integer number (83642580).

Almost surely, 2^1338280608 is an apocalyptic number.

It is an amenable number.

1338280608 is an abundant number, since it is smaller than the sum of its proper divisors (2676563232).

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

1338280608 is a wasteful number, since it uses less digits than its factorization.

1338280608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1991509 (or 1991501 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 1338280608 is about 36582.5177919727. The cubic root of 1338280608 is about 1102.0020311709.

The spelling of 1338280608 in words is "one billion, three hundred thirty-eight million, two hundred eighty thousand, six hundred eight".