448390049 has 4 divisors (see below), whose sum is σ = 448898736. Its totient is φ = 447881364.

The previous prime is 448390039. The next prime is 448390067. The reversal of 448390049 is 940093844.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 448390049 - 2²⁰ = 447341473 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 448389988 and 448390015.

It is not an unprimeable number, because it can be changed into a prime (448390009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253019 + ... + 254784.

It is an arithmetic number, because the mean of its divisors is an integer number (112224684).

Almost surely, 2^448390049 is an apocalyptic number.

It is an amenable number.

448390049 is a deficient number, since it is larger than the sum of its proper divisors (508687).

448390049 is an equidigital number, since it uses as much as digits as its factorization.

448390049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508686.

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 448390049 is about 21175.2225253951. Note that the first 3 decimals coincide. The cubic root of 448390049 is about 765.3944732457.

The spelling of 448390049 in words is "four hundred forty-eight million, three hundred ninety thousand, forty-nine".