449936639944 has 16 divisors (see below), whose sum is σ = 920324945520. Its totient is φ = 204516654480.

The previous prime is 449936639903. The next prime is 449936639969.

It is a happy number.

449936639944 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2556458094 + ... + 2556458269.

It is an arithmetic number, because the mean of its divisors is an integer number (57520309095).

Almost surely, 2^449936639944 is an apocalyptic number.

449936639944 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

449936639944 is an abundant number, since it is smaller than the sum of its proper divisors (470388305576).

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

449936639944 is a wasteful number, since it uses less digits than its factorization.

449936639944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5112916380 (or 5112916376 counting only the distinct ones).

The product of its digits is 544195584, while the sum is 70.

The spelling of 449936639944 in words is "four hundred forty-nine billion, nine hundred thirty-six million, six hundred thirty-nine thousand, nine hundred forty-four".