1330232040 has 48 divisors (see below), whose sum is σ = 4323255300. Its totient is φ = 354728448.

The previous prime is 1330232039. The next prime is 1330232069. The reversal of 1330232040 is 402320331.

1330232040 is a `hidden beast` number, since 1 + 3 + 302 + 320 + 40 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1312033284 + 18198756 = 36222^2 + 4266^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1847185 + ... + 1847904.

Almost surely, 2^1330232040 is an apocalyptic number.

1330232040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1330232040 is an abundant number, since it is smaller than the sum of its proper divisors (2993023260).

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

1330232040 is a wasteful number, since it uses less digits than its factorization.

1330232040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3695106 (or 3695099 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 1330232040 is about 36472.3462365667. The cubic root of 1330232040 is about 1099.7884000698.

Adding to 1330232040 its reverse (402320331), we get a palindrome (1732552371).

The spelling of 1330232040 in words is "one billion, three hundred thirty million, two hundred thirty-two thousand, forty".