448309666468212 has 12 divisors (see below), whose sum is σ = 1046055888425856. Its totient is φ = 149436555489400.

The previous prime is 448309666468211. The next prime is 448309666468217. The reversal of 448309666468212 is 212864666903844.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448309666468211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18679569436164 + ... + 18679569436187.

It is an arithmetic number, because the mean of its divisors is an integer number (87171324035488).

Almost surely, 2^{448309666468212} is an apocalyptic number.

It is an amenable number.

448309666468212 is an abundant number, since it is smaller than the sum of its proper divisors (597746221957644).

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

448309666468212 is a wasteful number, since it uses less digits than its factorization.

448309666468212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37359138872358 (or 37359138872356 counting only the distinct ones).

The product of its (nonzero) digits is 573308928, while the sum is 69.

The spelling of 448309666468212 in words is "four hundred forty-eight trillion, three hundred nine billion, six hundred sixty-six million, four hundred sixty-eight thousand, two hundred twelve".