1330232440 has 32 divisors (see below), whose sum is σ = 2998604160. Its totient is φ = 531100800.

The previous prime is 1330232381. The next prime is 1330232443. The reversal of 1330232440 is 442320331.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330232443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9096 + ... + 52375.

It is an arithmetic number, because the mean of its divisors is an integer number (93706380).

Almost surely, 2^1330232440 is an apocalyptic number.

1330232440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1330232440 is an abundant number, since it is smaller than the sum of its proper divisors (1668371720).

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

1330232440 is a wasteful number, since it uses less digits than its factorization.

1330232440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62023 (or 62019 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 1330232440 is about 36472.3517201729. The cubic root of 1330232440 is about 1099.7885103051.

Adding to 1330232440 its reverse (442320331), we get a palindrome (1772552771).

The spelling of 1330232440 in words is "one billion, three hundred thirty million, two hundred thirty-two thousand, four hundred forty".