448774311 has 4 divisors (see below), whose sum is σ = 598365752. Its totient is φ = 299182872.

The previous prime is 448774307. The next prime is 448774331. The reversal of 448774311 is 113477844.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 448774311 - 2² = 448774307 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 448774311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448774331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74795716 + ... + 74795721.

It is an arithmetic number, because the mean of its divisors is an integer number (149591438).

Almost surely, 2^448774311 is an apocalyptic number.

448774311 is a deficient number, since it is larger than the sum of its proper divisors (149591441).

448774311 is a wasteful number, since it uses less digits than its factorization.

448774311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149591440.

The product of its digits is 75264, while the sum is 39.

The square root of 448774311 is about 21184.2939698259. The cubic root of 448774311 is about 765.6130537989.

The spelling of 448774311 in words is "four hundred forty-eight million, seven hundred seventy-four thousand, three hundred eleven".