1338771468 has 24 divisors (see below), whose sum is σ = 3124392768. Its totient is φ = 446172496.

The previous prime is 1338771461. The next prime is 1338771509. The reversal of 1338771468 is 8641778331.

It is not an unprimeable number, because it can be changed into a prime (1338771461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113455 + ... + 124697.

It is an arithmetic number, because the mean of its divisors is an integer number (130183032).

Almost surely, 2^1338771468 is an apocalyptic number.

It is an amenable number.

1338771468 is an abundant number, since it is smaller than the sum of its proper divisors (1785621300).

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

1338771468 is a wasteful number, since it uses less digits than its factorization.

1338771468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21173 (or 21171 counting only the distinct ones).

The product of its digits is 677376, while the sum is 48.

The square root of 1338771468 is about 36589.2261191734. The cubic root of 1338771468 is about 1102.1367469629.

The spelling of 1338771468 in words is "one billion, three hundred thirty-eight million, seven hundred seventy-one thousand, four hundred sixty-eight".