1320808488 has 64 divisors (see below), whose sum is σ = 3450384000. Its totient is φ = 420541440.

The previous prime is 1320808477. The next prime is 1320808513. The reversal of 1320808488 is 8848080231.

It is a super-2 number, since 2×1320808488² = 3489070123945692288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 577908 + ... + 580188.

It is an arithmetic number, because the mean of its divisors is an integer number (53912250).

Almost surely, 2^1320808488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1320808488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1725192000).

1320808488 is an abundant number, since it is smaller than the sum of its proper divisors (2129575512).

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

1320808488 is a wasteful number, since it uses less digits than its factorization.

1320808488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3362 (or 3358 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 42.

The square root of 1320808488 is about 36342.9289958858. The cubic root of 1320808488 is about 1097.1852243878.

The spelling of 1320808488 in words is "one billion, three hundred twenty million, eight hundred eight thousand, four hundred eighty-eight".