1232044040 has 16 divisors (see below), whose sum is σ = 2772099180. Its totient is φ = 492817600.

The previous prime is 1232044031. The next prime is 1232044069. The reversal of 1232044040 is 404402321.

It can be written as a sum of positive squares in 2 ways, for example, as 1136903524 + 95140516 = 33718^2 + 9754^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15400511 + ... + 15400590.

Almost surely, 2^1232044040 is an apocalyptic number.

1232044040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1232044040 is an abundant number, since it is smaller than the sum of its proper divisors (1540055140).

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

1232044040 is a wasteful number, since it uses less digits than its factorization.

1232044040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30801112 (or 30801108 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 1232044040 is about 35100.4848969355. The cubic root of 1232044040 is about 1072.0344558057.

Adding to 1232044040 its reverse (404402321), we get a palindrome (1636446361).

The spelling of 1232044040 in words is "one billion, two hundred thirty-two million, forty-four thousand, forty".