1328233488 has 40 divisors (see below), whose sum is σ = 3489434400. Its totient is φ = 435239424.

The previous prime is 1328233481. The next prime is 1328233537. The reversal of 1328233488 is 8843328231.

It is a super-2 number, since 2×1328233488² = 3528408397289292288, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1328233481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231673 + ... + 237336.

It is an arithmetic number, because the mean of its divisors is an integer number (87235860).

Almost surely, 2^1328233488 is an apocalyptic number.

It is an amenable number.

1328233488 is an abundant number, since it is smaller than the sum of its proper divisors (2161200912).

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

1328233488 is a wasteful number, since it uses less digits than its factorization.

1328233488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469079 (or 469073 counting only the distinct ones).

The product of its digits is 221184, while the sum is 42.

The square root of 1328233488 is about 36444.9377554689. The cubic root of 1328233488 is about 1099.2373468408.

The spelling of 1328233488 in words is "one billion, three hundred twenty-eight million, two hundred thirty-three thousand, four hundred eighty-eight".