449867168041 has 8 divisors (see below), whose sum is σ = 451050654600. Its totient is φ = 448683820800.

The previous prime is 449867168029. The next prime is 449867168059. The reversal of 449867168041 is 140861768944.

It can be written as a sum of positive squares in 4 ways, for example, as 24965264016 + 424901904025 = 158004^2 + 651845^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-449867168041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (449867168021) 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, 10898241 + ... + 10939441.

It is an arithmetic number, because the mean of its divisors is an integer number (56381331825).

Almost surely, 2^449867168041 is an apocalyptic number.

It is an amenable number.

449867168041 is a deficient number, since it is larger than the sum of its proper divisors (1183486559).

449867168041 is a wasteful number, since it uses less digits than its factorization.

449867168041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69659.

The product of its (nonzero) digits is 9289728, while the sum is 58.

The spelling of 449867168041 in words is "four hundred forty-nine billion, eight hundred sixty-seven million, one hundred sixty-eight thousand, forty-one".