448646646844 has 24 divisors (see below), whose sum is σ = 856744339248. Its totient is φ = 203873840640.

The previous prime is 448646646743. The next prime is 448646646853.

It is a happy number.

448646646844 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1250379 + ... + 1568674.

It is an arithmetic number, because the mean of its divisors is an integer number (35697680802).

Almost surely, 2^448646646844 is an apocalyptic number.

448646646844 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

448646646844 is a deficient number, since it is larger than the sum of its proper divisors (408097692404).

448646646844 is a wasteful number, since it uses less digits than its factorization.

448646646844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2822685 (or 2822683 counting only the distinct ones).

The product of its digits is 339738624, while the sum is 64.

The spelling of 448646646844 in words is "four hundred forty-eight billion, six hundred forty-six million, six hundred forty-six thousand, eight hundred forty-four".