448563615 has 32 divisors (see below), whose sum is σ = 761840640. Its totient is φ = 224592384.

The previous prime is 448563613. The next prime is 448563631. The reversal of 448563615 is 516365844.

It is not a de Polignac number, because 448563615 - 2¹ = 448563613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448563613) 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 31 ways as a sum of consecutive naturals, for example, 109942 + ... + 113948.

It is an arithmetic number, because the mean of its divisors is an integer number (23807520).

Almost surely, 2^448563615 is an apocalyptic number.

448563615 is a deficient number, since it is larger than the sum of its proper divisors (313277025).

448563615 is a wasteful number, since it uses less digits than its factorization.

448563615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4471.

The product of its digits is 345600, while the sum is 42.

The square root of 448563615 is about 21179.3204565208. The cubic root of 448563615 is about 765.4932186126.

The spelling of 448563615 in words is "four hundred forty-eight million, five hundred sixty-three thousand, six hundred fifteen".