445505225440001 has 8 divisors (see below), whose sum is σ = 446618144500008. Its totient is φ = 444392316000000.

The previous prime is 445505225439997. The next prime is 445505225440081. The reversal of 445505225440001 is 100044522505544.

It can be written as a sum of positive squares in 4 ways, for example, as 188762319246400 + 256742906193601 = 13739080^2 + 16023199^2 .

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 445505225440001 - 2² = 445505225439997 is a prime.

It is a super-2 number, since 2×445505225440001² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (445505225440081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95280551 + ... + 99846851.

It is an arithmetic number, because the mean of its divisors is an integer number (55827268062501).

Almost surely, 2^{445505225440001} is an apocalyptic number.

It is an amenable number.

445505225440001 is a deficient number, since it is larger than the sum of its proper divisors (1112919060007).

445505225440001 is a wasteful number, since it uses less digits than its factorization.

445505225440001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4810003.

The product of its (nonzero) digits is 640000, while the sum is 41.

Adding to 445505225440001 its reverse (100044522505544), we get a palindrome (545549747945545).

The spelling of 445505225440001 in words is "four hundred forty-five trillion, five hundred five billion, two hundred twenty-five million, four hundred forty thousand, one".