1232540444 has 12 divisors (see below), whose sum is σ = 2193504600. Its totient is φ = 605824848.

The previous prime is 1232540423. The next prime is 1232540453. The reversal of 1232540444 is 4440452321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2611079 + ... + 2611550.

It is an arithmetic number, because the mean of its divisors is an integer number (182792050).

Almost surely, 2^1232540444 is an apocalyptic number.

It is an amenable number.

1232540444 is a deficient number, since it is larger than the sum of its proper divisors (960964156).

1232540444 is a wasteful number, since it uses less digits than its factorization.

1232540444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5222692 (or 5222690 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

The square root of 1232540444 is about 35107.5553691794. Note that the first 3 decimals coincide. The cubic root of 1232540444 is about 1072.1784146036.

Adding to 1232540444 its reverse (4440452321), we get a palindrome (5672992765).

The spelling of 1232540444 in words is "one billion, two hundred thirty-two million, five hundred forty thousand, four hundred forty-four".