432121444425 has 72 divisors (see below), whose sum is σ = 864932953248. Its totient is φ = 204403296000.

The previous prime is 432121444421. The next prime is 432121444457. The reversal of 432121444425 is 524444121234.

432121444425 is a `hidden beast` number, since 4 + 3 + 212 + 14 + 4 + 4 + 425 = 666.

It is not a de Polignac number, because 432121444425 - 2² = 432121444421 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 432121444425.

It is not an unprimeable number, because it can be changed into a prime (432121444421) 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 71 ways as a sum of consecutive naturals, for example, 2027727 + ... + 2230676.

It is an arithmetic number, because the mean of its divisors is an integer number (12012957684).

Almost surely, 2^432121444425 is an apocalyptic number.

432121444425 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

432121444425 is an abundant number, since it is smaller than the sum of its proper divisors (432811508823).

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

432121444425 is a wasteful number, since it uses less digits than its factorization.

432121444425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4258471 (or 4258463 counting only the distinct ones).

The product of its digits is 122880, while the sum is 36.

Adding to 432121444425 its reverse (524444121234), we get a palindrome (956565565659).

The spelling of 432121444425 in words is "four hundred thirty-two billion, one hundred twenty-one million, four hundred forty-four thousand, four hundred twenty-five".