12432400441 has 8 divisors (see below), whose sum is σ = 13190757120. Its totient is φ = 11677048128.

The previous prime is 12432400433. The next prime is 12432400457. The reversal of 12432400441 is 14400423421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12432400441 - 2³ = 12432400433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12432400411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 742561 + ... + 759118.

It is an arithmetic number, because the mean of its divisors is an integer number (1648844640).

Almost surely, 2^12432400441 is an apocalyptic number.

It is an amenable number.

12432400441 is a deficient number, since it is larger than the sum of its proper divisors (758356679).

12432400441 is a wasteful number, since it uses less digits than its factorization.

12432400441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1502183.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 12432400441 its reverse (14400423421), we get a palindrome (26832823862).

The spelling of 12432400441 in words is "twelve billion, four hundred thirty-two million, four hundred thousand, four hundred forty-one".