449895417888 has 48 divisors (see below), whose sum is σ = 1349686255680. Its totient is φ = 128541547776.

The previous prime is 449895417883. The next prime is 449895417919. The reversal of 449895417888 is 888714598944.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (449895417883) by changing a digit.

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, 334742943 + ... + 334744286.

It is an arithmetic number, because the mean of its divisors is an integer number (28118463660).

Almost surely, 2^449895417888 is an apocalyptic number.

449895417888 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

449895417888 is an abundant number, since it is smaller than the sum of its proper divisors (899790837792).

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

449895417888 is a wasteful number, since it uses less digits than its factorization.

449895417888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669487249 (or 669487241 counting only the distinct ones).

The product of its digits is 743178240, while the sum is 75.

The spelling of 449895417888 in words is "four hundred forty-nine billion, eight hundred ninety-five million, four hundred seventeen thousand, eight hundred eighty-eight".