448220877049 has 21 divisors (see below), whose sum is σ = 494025092821. Its totient is φ = 406663438060.

The previous prime is 448220877023. The next prime is 448220877089. The reversal of 448220877049 is 940778022844.

The square root of 448220877049 is 669493.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 448220877049 - 2⁵ = 448220877017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (448220877089) 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 20 ways as a sum of consecutive naturals, for example, 891094932 + ... + 891095434.

Almost surely, 2^448220877049 is an apocalyptic number.

448220877049 is the 669493-rd square number.

448220877049 is the 334747-th centered octagonal number.

It is an amenable number.

448220877049 is a deficient number, since it is larger than the sum of its proper divisors (45804215772).

448220877049 is an frugal number, since it uses more digits than its factorization.

448220877049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1072 (or 514 counting only the distinct ones).

The product of its (nonzero) digits is 7225344, while the sum is 55.

The spelling of 448220877049 in words is "four hundred forty-eight billion, two hundred twenty million, eight hundred seventy-seven thousand, forty-nine".