1328480801 has 4 divisors (see below), whose sum is σ = 1328562432. Its totient is φ = 1328399172.

The previous prime is 1328480731. The next prime is 1328480809. The reversal of 1328480801 is 1080848231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1080848231 = 19 ⋅56886749.

It is a cyclic number.

It is not a de Polignac number, because 1328480801 - 2³⁰ = 254738977 is a prime.

It is a super-2 number, since 2×1328480801² = 3529722477251203202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1328480809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7145 + ... + 52038.

It is an arithmetic number, because the mean of its divisors is an integer number (332140608).

Almost surely, 2^1328480801 is an apocalyptic number.

It is an amenable number.

1328480801 is a deficient number, since it is larger than the sum of its proper divisors (81631).

1328480801 is an equidigital number, since it uses as much as digits as its factorization.

1328480801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81630.

The product of its (nonzero) digits is 12288, while the sum is 35.

The square root of 1328480801 is about 36448.3305653359. The cubic root of 1328480801 is about 1099.3055674805.

The spelling of 1328480801 in words is "one billion, three hundred twenty-eight million, four hundred eighty thousand, eight hundred one".