1338967880 has 16 divisors (see below), whose sum is σ = 3012677820. Its totient is φ = 535587136.

The previous prime is 1338967871. The next prime is 1338967891. The reversal of 1338967880 is 887698331.

It can be written as a sum of positive squares in 2 ways, for example, as 1330936324 + 8031556 = 36482^2 + 2834^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16737059 + ... + 16737138.

Almost surely, 2^1338967880 is an apocalyptic number.

1338967880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1338967880 is an abundant number, since it is smaller than the sum of its proper divisors (1673709940).

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

1338967880 is a wasteful number, since it uses less digits than its factorization.

1338967880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33474208 (or 33474204 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 53.

The square root of 1338967880 is about 36591.9100348697. The cubic root of 1338967880 is about 1102.1906427179.

The spelling of 1338967880 in words is "one billion, three hundred thirty-eight million, nine hundred sixty-seven thousand, eight hundred eighty".