1330948880 has 20 divisors (see below), whose sum is σ = 3094456332. Its totient is φ = 532379520.

The previous prime is 1330948877. The next prime is 1330948933. The reversal of 1330948880 is 888490331.

It can be written as a sum of positive squares in 2 ways, for example, as 582160384 + 748788496 = 24128^2 + 27364^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

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, 8318351 + ... + 8318510.

Almost surely, 2^1330948880 is an apocalyptic number.

1330948880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1330948880 is an abundant number, since it is smaller than the sum of its proper divisors (1763507452).

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

1330948880 is a wasteful number, since it uses less digits than its factorization.

1330948880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16636874 (or 16636868 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 44.

The square root of 1330948880 is about 36482.1720844579. The cubic root of 1330948880 is about 1099.9859171751.

The spelling of 1330948880 in words is "one billion, three hundred thirty million, nine hundred forty-eight thousand, eight hundred eighty".