1328456488 has 8 divisors (see below), whose sum is σ = 2490855930. Its totient is φ = 664228240.

The previous prime is 1328456413. The next prime is 1328456533. The reversal of 1328456488 is 8846548231.

It can be written as a sum of positive squares in only one way, i.e., 702356004 + 626100484 = 26502^2 + 25022^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×1328456488³ (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83028523 + ... + 83028538.

Almost surely, 2^1328456488 is an apocalyptic number.

It is an amenable number.

1328456488 is a deficient number, since it is larger than the sum of its proper divisors (1162399442).

1328456488 is a wasteful number, since it uses less digits than its factorization.

1328456488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166057067 (or 166057063 counting only the distinct ones).

The product of its digits is 1474560, while the sum is 49.

The square root of 1328456488 is about 36447.9970368743. The cubic root of 1328456488 is about 1099.2988611788.

The spelling of 1328456488 in words is "one billion, three hundred twenty-eight million, four hundred fifty-six thousand, four hundred eighty-eight".