1338266248 has 128 divisors (see below), whose sum is σ = 3036528000. Its totient is φ = 545771520.

The previous prime is 1338266233. The next prime is 1338266257. The reversal of 1338266248 is 8426628331.

It is an unprimeable number.

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, 4728715 + ... + 4728997.

It is an arithmetic number, because the mean of its divisors is an integer number (23722875).

Almost surely, 2^1338266248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1338266248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1518264000).

1338266248 is an abundant number, since it is smaller than the sum of its proper divisors (1698261752).

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

1338266248 is a wasteful number, since it uses less digits than its factorization.

1338266248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455 (or 451 counting only the distinct ones).

The product of its digits is 331776, while the sum is 43.

The square root of 1338266248 is about 36582.3215228339. The cubic root of 1338266248 is about 1101.9980895945.

The spelling of 1338266248 in words is "one billion, three hundred thirty-eight million, two hundred sixty-six thousand, two hundred forty-eight".