445838021201 has 8 divisors (see below), whose sum is σ = 488341849320. Its totient is φ = 405142866688.

The previous prime is 445838021197. The next prime is 445838021203. The reversal of 445838021201 is 102120838544.

It can be written as a sum of positive squares in 4 ways, for example, as 48685981201 + 397152040000 = 220649^2 + 630200^2 .

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 445838021201 - 2² = 445838021197 is a prime.

It is a super-2 number, since 2×445838021201² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (445838021203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 452167886 + ... + 452168871.

It is an arithmetic number, because the mean of its divisors is an integer number (61042731165).

Almost surely, 2^445838021201 is an apocalyptic number.

It is an amenable number.

445838021201 is a deficient number, since it is larger than the sum of its proper divisors (42503828119).

445838021201 is a wasteful number, since it uses less digits than its factorization.

445838021201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904336803.

The product of its (nonzero) digits is 61440, while the sum is 38.

Adding to 445838021201 its reverse (102120838544), we get a palindrome (547958859745).

The spelling of 445838021201 in words is "four hundred forty-five billion, eight hundred thirty-eight million, twenty-one thousand, two hundred one".