449853812616 has 32 divisors (see below), whose sum is σ = 1211144880960. Its totient is φ = 138416557632.

The previous prime is 449853812593. The next prime is 449853812621. The reversal of 449853812616 is 616218358944.

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, 720919260 + ... + 720919883.

It is an arithmetic number, because the mean of its divisors is an integer number (37848277530).

Almost surely, 2^449853812616 is an apocalyptic number.

It is an amenable number.

449853812616 is an abundant number, since it is smaller than the sum of its proper divisors (761291068344).

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

449853812616 is a wasteful number, since it uses less digits than its factorization.

449853812616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1441839165 (or 1441839161 counting only the distinct ones).

The product of its digits is 9953280, while the sum is 57.

It can be divided in two parts, 4498538 and 12616, that added together give a palindrome (4511154).

The spelling of 449853812616 in words is "four hundred forty-nine billion, eight hundred fifty-three million, eight hundred twelve thousand, six hundred sixteen".