1338350418 has 16 divisors (see below), whose sum is σ = 2974112160. Its totient is φ = 446116788.

The previous prime is 1338350407. The next prime is 1338350437. The reversal of 1338350418 is 8140538331.

1338350418 is a `hidden beast` number, since 133 + 8 + 3 + 504 + 18 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12392080 + ... + 12392187.

It is an arithmetic number, because the mean of its divisors is an integer number (185882010).

Almost surely, 2^1338350418 is an apocalyptic number.

1338350418 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1338350418 is an abundant number, since it is smaller than the sum of its proper divisors (1635761742).

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

1338350418 is a wasteful number, since it uses less digits than its factorization.

1338350418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24784278 (or 24784272 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 1338350418 is about 36583.4719238073. The cubic root of 1338350418 is about 1102.0211924300.

Adding to 1338350418 its reverse (8140538331), we get a palindrome (9478888749).

The spelling of 1338350418 in words is "one billion, three hundred thirty-eight million, three hundred fifty thousand, four hundred eighteen".