449540358756 has 12 divisors (see below), whose sum is σ = 1048927503792. Its totient is φ = 149846786248.

The previous prime is 449540358703. The next prime is 449540358769. The reversal of 449540358756 is 657853045944.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 449540358756.

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, 18730848270 + ... + 18730848293.

It is an arithmetic number, because the mean of its divisors is an integer number (87410625316).

Almost surely, 2^449540358756 is an apocalyptic number.

It is an amenable number.

449540358756 is an abundant number, since it is smaller than the sum of its proper divisors (599387145036).

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

449540358756 is a wasteful number, since it uses less digits than its factorization.

449540358756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37461696570 (or 37461696568 counting only the distinct ones).

The product of its (nonzero) digits is 72576000, while the sum is 60.

The spelling of 449540358756 in words is "four hundred forty-nine billion, five hundred forty million, three hundred fifty-eight thousand, seven hundred fifty-six".