1330433456 has 40 divisors (see below), whose sum is σ = 2814129408. Its totient is φ = 604296000.

The previous prime is 1330433453. The next prime is 1330433497. The reversal of 1330433456 is 6543340331.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1330433453) 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, 405101 + ... + 408371.

Almost surely, 2^1330433456 is an apocalyptic number.

1330433456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1330433456 is an abundant number, since it is smaller than the sum of its proper divisors (1483695952).

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

1330433456 is a wasteful number, since it uses less digits than its factorization.

1330433456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5601 (or 5595 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 32.

The square root of 1330433456 is about 36475.1073473403. The cubic root of 1330433456 is about 1099.8439051232.

Adding to 1330433456 its reverse (6543340331), we get a palindrome (7873773787).

The spelling of 1330433456 in words is "one billion, three hundred thirty million, four hundred thirty-three thousand, four hundred fifty-six".