448140355073 has 4 divisors (see below), whose sum is σ = 448151094228. Its totient is φ = 448129615920.

The previous prime is 448140355067. The next prime is 448140355081. The reversal of 448140355073 is 370553041844.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 333075574129 + 115064780944 = 577127^2 + 339212^2 .

It is a cyclic number.

It is not a de Polignac number, because 448140355073 - 2⁴ = 448140355057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (448140555073) 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, 5306738 + ... + 5390523.

It is an arithmetic number, because the mean of its divisors is an integer number (112037773557).

Almost surely, 2^448140355073 is an apocalyptic number.

It is an amenable number.

448140355073 is a deficient number, since it is larger than the sum of its proper divisors (10739155).

448140355073 is a wasteful number, since it uses less digits than its factorization.

448140355073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10739154.

The product of its (nonzero) digits is 806400, while the sum is 44.

The spelling of 448140355073 in words is "four hundred forty-eight billion, one hundred forty million, three hundred fifty-five thousand, seventy-three".