1338406448 has 10 divisors (see below), whose sum is σ = 2593162524. Its totient is φ = 669203216.

The previous prime is 1338406427. The next prime is 1338406483. The reversal of 1338406448 is 8446048331.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41825186 + ... + 41825217.

Almost surely, 2^1338406448 is an apocalyptic number.

It is an amenable number.

1338406448 is a deficient number, since it is larger than the sum of its proper divisors (1254756076).

1338406448 is an equidigital number, since it uses as much as digits as its factorization.

1338406448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83650411 (or 83650405 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 41.

The square root of 1338406448 is about 36584.2376987686. The cubic root of 1338406448 is about 1102.0365709101.

The spelling of 1338406448 in words is "one billion, three hundred thirty-eight million, four hundred six thousand, four hundred forty-eight".