1338280482 has 64 divisors (see below), whose sum is σ = 3371526144. Its totient is φ = 344010240.

The previous prime is 1338280453. The next prime is 1338280483. The reversal of 1338280482 is 2840828331.

It is a self number, because there is not a number n which added to its sum of digits gives 1338280482.

It is not an unprimeable number, because it can be changed into a prime (1338280483) 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 31 ways as a sum of consecutive naturals, for example, 29883 + ... + 59745.

It is an arithmetic number, because the mean of its divisors is an integer number (52680096).

Almost surely, 2^1338280482 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1338280482, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1685763072).

1338280482 is an abundant number, since it is smaller than the sum of its proper divisors (2033245662).

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

1338280482 is a wasteful number, since it uses less digits than its factorization.

1338280482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29983.

The product of its (nonzero) digits is 73728, while the sum is 39.

The square root of 1338280482 is about 36582.5160698386. The cubic root of 1338280482 is about 1102.0019965862.

The spelling of 1338280482 in words is "one billion, three hundred thirty-eight million, two hundred eighty thousand, four hundred eighty-two".