12440432030 has 64 divisors (see below), whose sum is σ = 24664324608. Its totient is φ = 4489879680.

The previous prime is 12440432003. The next prime is 12440432033. The reversal of 12440432030 is 3023404421.

It is a junction number, because it is equal to n+sod(n) for n = 12440431987 and 12440432005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12440432033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1135559 + ... + 1146461.

It is an arithmetic number, because the mean of its divisors is an integer number (385380072).

Almost surely, 2^12440432030 is an apocalyptic number.

12440432030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12440432030 is a deficient number, since it is larger than the sum of its proper divisors (12223892578).

12440432030 is a wasteful number, since it uses less digits than its factorization.

12440432030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11121.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 12440432030 its reverse (3023404421), we get a palindrome (15463836451).

The spelling of 12440432030 in words is "twelve billion, four hundred forty million, four hundred thirty-two thousand, thirty".