1338028992 has 42 divisors (see below), whose sum is σ = 3835220168. Its totient is φ = 446009472.

The previous prime is 1338028981. The next prime is 1338029003. The reversal of 1338028992 is 2998208331.

It is an interprime number because it is at equal distance from previous prime (1338028981) and next prime (1338029003).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1160908 + ... + 1162059.

Almost surely, 2^1338028992 is an apocalyptic number.

1338028992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1338028992 is an abundant number, since it is smaller than the sum of its proper divisors (2497191176).

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

1338028992 is a wasteful number, since it uses less digits than its factorization.

1338028992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2322985 (or 2322972 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 1338028992 is about 36579.0786105938. The cubic root of 1338028992 is about 1101.9329627656.

The spelling of 1338028992 in words is "one billion, three hundred thirty-eight million, twenty-eight thousand, nine hundred ninety-two".