446450440013 has 8 divisors (see below), whose sum is σ = 472903115832. Its totient is φ = 420018973696.

The previous prime is 446450440003. The next prime is 446450440061. The reversal of 446450440013 is 310044054644.

It can be written as a sum of positive squares in 4 ways, for example, as 183391210564 + 263059229449 = 428242^2 + 512893^2 .

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 446450440013 - 2⁶ = 446450439949 is a prime.

It is a super-2 number, since 2×446450440013² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (446450440003) 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, 5259020 + ... + 5343237.

It is an arithmetic number, because the mean of its divisors is an integer number (59112889479).

Almost surely, 2^446450440013 is an apocalyptic number.

It is an amenable number.

446450440013 is a deficient number, since it is larger than the sum of its proper divisors (26452675819).

446450440013 is a wasteful number, since it uses less digits than its factorization.

446450440013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10604751.

The product of its (nonzero) digits is 92160, while the sum is 35.

Adding to 446450440013 its reverse (310044054644), we get a palindrome (756494494657).

The spelling of 446450440013 in words is "four hundred forty-six billion, four hundred fifty million, four hundred forty thousand, thirteen".