445204430132321 has 8 divisors (see below), whose sum is σ = 451582663941120. Its totient is φ = 438844764691008.

The previous prime is 445204430132191. The next prime is 445204430132323. The reversal of 445204430132321 is 123231034402544.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 445204430132321 - 2¹⁸ = 445204429870177 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (445204430132323) 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, 4642043576 + ... + 4642139481.

It is an arithmetic number, because the mean of its divisors is an integer number (56447832992640).

Almost surely, 2^{445204430132321} is an apocalyptic number.

It is an amenable number.

445204430132321 is a deficient number, since it is larger than the sum of its proper divisors (6378233808799).

445204430132321 is an equidigital number, since it uses as much as digits as its factorization.

445204430132321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9284183743.

The product of its (nonzero) digits is 276480, while the sum is 38.

Adding to 445204430132321 its reverse (123231034402544), we get a palindrome (568435464534865).

The spelling of 445204430132321 in words is "four hundred forty-five trillion, two hundred four billion, four hundred thirty million, one hundred thirty-two thousand, three hundred twenty-one".