448642440679 has 12 divisors (see below), whose sum is σ = 470166519312. Its totient is φ = 428065880000.

The previous prime is 448642440671. The next prime is 448642440689. The reversal of 448642440679 is 976044246844.

It is not a de Polignac number, because 448642440679 - 2³ = 448642440671 is a prime.

It is a Duffinian number.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 845347 + ... + 1269604.

It is an arithmetic number, because the mean of its divisors is an integer number (39180543276).

Almost surely, 2^448642440679 is an apocalyptic number.

448642440679 is a deficient number, since it is larger than the sum of its proper divisors (21524078633).

448642440679 is a wasteful number, since it uses less digits than its factorization.

448642440679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2115398 (or 2115375 counting only the distinct ones).

The product of its (nonzero) digits is 37158912, while the sum is 58.

The spelling of 448642440679 in words is "four hundred forty-eight billion, six hundred forty-two million, four hundred forty thousand, six hundred seventy-nine".