454441320256212 has 18 divisors (see below), whose sum is σ = 1148726670647738. Its totient is φ = 151480440085392.

The previous prime is 454441320256201. The next prime is 454441320256457. The reversal of 454441320256212 is 212652023144454.

454441320256212 is a `hidden beast` number, since 4 + 5 + 4 + 4 + 4 + 13 + 2 + 0 + 2 + 5 + 621 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 409870795410756 + 44570524845456 = 20245266^2 + 6676116^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6311685003523 + ... + 6311685003594.

Almost surely, 2^{454441320256212} is an apocalyptic number.

It is an amenable number.

454441320256212 is an abundant number, since it is smaller than the sum of its proper divisors (694285350391526).

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

454441320256212 is a wasteful number, since it uses less digits than its factorization.

454441320256212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12623370007127 (or 12623370007122 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 45.

The spelling of 454441320256212 in words is "four hundred fifty-four trillion, four hundred forty-one billion, three hundred twenty million, two hundred fifty-six thousand, two hundred twelve".