448642440674 has 8 divisors (see below), whose sum is σ = 674891924700. Its totient is φ = 223678465776.

The previous prime is 448642440671. The next prime is 448642440689. The reversal of 448642440674 is 476044246844.

It can be written as a sum of positive squares in 2 ways, for example, as 444412889449 + 4229551225 = 666643^2 + 65035^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (448642440671) 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, 321376409 + ... + 321377804.

Almost surely, 2^448642440674 is an apocalyptic number.

448642440674 is a deficient number, since it is larger than the sum of its proper divisors (226249484026).

448642440674 is a wasteful number, since it uses less digits than its factorization.

448642440674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642754564.

The product of its (nonzero) digits is 16515072, while the sum is 53.

The spelling of 448642440674 in words is "four hundred forty-eight billion, six hundred forty-two million, four hundred forty thousand, six hundred seventy-four".